Known Exploited Vulnerability
9.8
CRITICAL CVSS 3.1
CVE-2022-26134
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability - [Actively Exploited]
Description

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.

INFO

Published Date :

June 3, 2022, 10:15 p.m.

Last Modified :

Oct. 24, 2025, 1:38 p.m.

Remotely Exploit :

Yes !
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution.

Required Action :

Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.

Known Ransomware Campaign Use:

Known Detected Jun 02, 2022

Notes :

https://nvd.nist.gov/vuln/detail/CVE-2022-26134

Affected Products

The following products are affected by CVE-2022-26134 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Atlassian confluence_server
2 Atlassian confluence_data_center
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
A remote code execution vulnerability exists in Atlassian Confluence Server and Data Center.
  • Upgrade to Atlassian Confluence version 7.4.17, 7.13.7, 7.14.3, 7.15.2, 7.16.4, 7.17.4, 7.18.1 or later.
  • Prioritize patching or updating to address this actively exploited vulnerability.
Public PoC/Exploit Available at Github

CVE-2022-26134 has a 270 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-26134.

URL Resource
http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html Exploit Third Party Advisory VDB Entry
https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-79016 Issue Tracking Patch Vendor Advisory
http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html Exploit Third Party Advisory VDB Entry
https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-79016 Issue Tracking Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134 US Government Resource
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-26134 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-26134 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

HTML

Updated: 18 hours, 19 minutes ago
0 stars 0 fork 0 watcher
Born at : May 4, 2026, 4:01 p.m. This repo has been linked 11 different CVEs too.

None

HTML

Updated: 1 day, 3 hours ago
4 stars 0 fork 0 watcher
Born at : May 3, 2026, 8:53 a.m. This repo has been linked 11 different CVEs too.

None

Python

Updated: 2 days, 14 hours ago
0 stars 0 fork 0 watcher
Born at : May 2, 2026, 8:30 p.m. This repo has been linked 4 different CVEs too.

AI?????/?????????????? | AI-powered framework/middleware vulnerability verification platform

Dockerfile Python HTML JavaScript CSS

Updated: 3 days, 4 hours ago
0 stars 0 fork 0 watcher
Born at : May 2, 2026, 5:50 a.m. This repo has been linked 18 different CVEs too.

AI驱动的Web漏洞扫描引擎 | 115+ POC | OWASP Top10 + 30+国产信创软件 | Ghost Bits编码绕过WAF | Nuclei兼容 | 插件化架构

Python

Updated: 5 days, 1 hour ago
0 stars 0 fork 0 watcher
Born at : April 30, 2026, 8:31 a.m. This repo has been linked 8 different CVEs too.

CyberGuard is a professional JavaFX desktop vulnerability scanner featuring an 8-phase scan engine, 15+ real CVEs, live terminal output, severity dashboard, remediation panel, and CSV export — built with async multithreading to keep the UI fully responsive. Java 17+, no cloud required.

Updated: 5 days, 14 hours ago
0 stars 0 fork 0 watcher
Born at : April 29, 2026, 7:40 p.m. This repo has been linked 5 different CVEs too.

A domain-aware consistency defense system that detects knowledge-base poisoning attacks in RAG pipelines by cross-referencing LLM-generated CVE answers against the NIST National Vulnerability Database (NVD).

Jupyter Notebook Python

Updated: 6 days, 20 hours ago
0 stars 0 fork 0 watcher
Born at : April 28, 2026, 1:43 p.m. This repo has been linked 10 different CVEs too.

Automated penetration testing framework for IP-connected devices (IoT, routers, IP cameras, OT/ICS) — PyQt6 GUI + CLI, 9 exploit modules, CVE database

Python

Updated: 1 week ago
0 stars 0 fork 0 watcher
Born at : April 28, 2026, 4:35 a.m. This repo has been linked 25 different CVEs too.

None

Go HTML JavaScript CSS TypeScript

Updated: 1 week, 2 days ago
1 stars 0 fork 0 watcher
Born at : April 21, 2026, 4:10 p.m. This repo has been linked 31 different CVEs too.

HTTP honeypot on autopilot

canarytokens deception deception-technology honeypot honeypots codex llm-security openai

Python

Updated: 3 days, 4 hours ago
3 stars 0 fork 0 watcher
Born at : April 20, 2026, 5:23 p.m. This repo has been linked 9 different CVEs too.

cyber Security write-ups

Updated: 2 weeks, 1 day ago
0 stars 0 fork 0 watcher
Born at : April 19, 2026, 8:22 p.m. This repo has been linked 16 different CVEs too.

Kumo 蜘蛛 is a domain OSINT & security reconnaissance framework. Drop a domain, get everything back in real time across 21 parallel modules: DNS, open ports, leaked credentials, infostealer infections, vulnerable endpoints, subdomains, CVEs, malware families, and more.(Beta)

cybersecurity domain-scanner hacking osint pentesting python recon security-tools breach-intelligence bugbounty subdomain-enumeration

Python

Updated: 3 days, 8 hours ago
9 stars 1 fork 1 watcher
Born at : April 14, 2026, 11:09 p.m. This repo has been linked 3 different CVEs too.

Educational terminal hacking campaign (safe, sandbox). CLI + browser alpha — Node 18+, MIT.

JavaScript HTML CSS PowerShell

Updated: 3 weeks, 5 days ago
1 stars 0 fork 0 watcher
Born at : April 4, 2026, 8:21 a.m. This repo has been linked 3 different CVEs too.

None

Dockerfile Python PHP

Updated: 10 hours, 25 minutes ago
0 stars 0 fork 0 watcher
Born at : April 2, 2026, 3:01 p.m. This repo has been linked 4 different CVEs too.

A comprehensive cyber attack analysis and detection project focusing on identifying vulnerabilities, simulating attacks, and implementing security measures using data-driven techniques.

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : March 29, 2026, 3:16 p.m. This repo has been linked 20 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-26134 vulnerability anywhere in the article.

  • Help Net Security
Initial access broker pleads guilty to selling access to 50 corporate networks

A 40-year-old Jordanian man has admitted to selling unauthorized access to computer networks of at least 50 companies, the US Attorney’s Office of the District of New Jersey has announced. Feras Khali ... Read more

Published Date: Jan 20, 2026 (3 months, 2 weeks ago)
  • CybersecurityNews
2.5 Million+ Malicious Request From Hackers Attacking Adobe ColdFusion Servers

A coordinated exploitation campaign that generated more than 2.5 million malicious requests against Adobe ColdFusion servers and 47+ other technology platforms during the Christmas 2025 holiday period ... Read more

Published Date: Dec 29, 2025 (4 months ago)
  • Daily CyberSecurity
China APT Infiltrates US Policy Nonprofit in Months-Long Espionage Campaign Using DLL Sideloading

A new investigation by the Broadcom Threat Hunter Team has uncovered a China-linked cyber espionage campaign that infiltrated a U.S.-based nonprofit organization involved in influencing U.S. governmen ... Read more

Published Date: Nov 10, 2025 (5 months, 3 weeks ago)
  • The Hacker News
From Log4j to IIS, China’s Hackers Turn Legacy Bugs into Global Espionage Tools

A China-linked threat actor has been attributed to a cyber attack targeting an U.S. non-profit organization with an aim to establish long-term persistence, as part of broader activity aimed at U.S. en ... Read more

Published Date: Nov 07, 2025 (5 months, 3 weeks ago)
  • CybersecurityNews
Chinese Hackers Organization Influence U.S. Government Policy on International Issues

China-linked threat actors have intensified their focus on influencing American governmental decision-making processes by targeting organizations involved in shaping international policy. In April 202 ... Read more

Published Date: Nov 07, 2025 (5 months, 3 weeks ago)
  • Cyber Security News
23 Vulnerabilities in Black Basta’s Chat Logs Exploited in the Wild, Including PAN-OS, Cisco IOS, & Exchange

GreyNoise has confirmed active exploitation of 23 out of 62 vulnerabilities referenced in internal chat logs attributed to the Black Basta ransomware group. These vulnerabilities span enterprise softw ... Read more

Published Date: Feb 27, 2025 (1 year, 2 months ago)
  • The Cyber Express
Black Basta Chat Logs Reveal Ransomware Group’s TTPs, IoCs

The Black Basta ransomware group has fallen off dramatically in 2025, and chat logs leaked recently show that internal squabbling may be behind the group’s slowed activity. Cyble threat intelligence r ... Read more

Published Date: Feb 26, 2025 (1 year, 2 months ago)
  • AttackIQ
Response to CISA Advisory (AA24-317A): 2023 Top Routinely Exploited Vulnerabilities

On November 12, 2024, the U.S. Cybersecurity & Infrastructure Security Agency (CISA) released a Cybersecurity Advisory (CSA) providing details on the Common Vulnerabilities and Exposures (CVEs) routin ... Read more

Published Date: Nov 13, 2024 (1 year, 5 months ago)
  • security.nl
VS publiceert overzicht van meest misbruikte kwetsbaarheden in 2023

De Amerikaanse autoriteiten hebben samen met cyberagentschappen uit Australië, Canada, Nieuw-Zeeland en het Verenigd Koninkrijk een overzicht van de meest misbruikte kwetsbaarheden in 2023 opgesteld. ... Read more

Published Date: Nov 12, 2024 (1 year, 5 months ago)
  • The Register
US charges Russian GRU hackers behind WhisperGate intrusions

The US today charged five Russian military intelligence officers and one civilian for their alleged involvement with the data-wiping WhisperGate campaign conducted against Ukraine in January 2022 befo ... Read more

Published Date: Sep 05, 2024 (1 year, 7 months ago)
  • Darktrace
Confluence CVE-2022-26134 Zero-Day: Detection & Guidance

What is WarmCookie malware?WarmCookie, also known as BadSpace [2], is a two-stage backdoor tool that provides functionality for threat actors to retrieve victim information and launch additional paylo ... Read more

Published Date: May 10, 2024 (1 year, 11 months ago)

The following table lists the changes that have been made to the CVE-2022-26134 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Oct. 24, 2025

    Action Type Old Value New Value
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134 Types: US Government Resource
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 22, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134
  • Modified Analysis by [email protected]

    Feb. 09, 2025

    Action Type Old Value New Value
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 04, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-917
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html
    Added Reference http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html
    Added Reference http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html
    Added Reference http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html
    Added Reference https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html
    Added Reference https://jira.atlassian.com/browse/CONFSERVER-79016
  • Modified Analysis by [email protected]

    Jun. 28, 2024

    Action Type Old Value New Value
    Changed Reference Type https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html No Types Assigned https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html Vendor Advisory
    Changed Reference Type https://jira.atlassian.com/browse/CONFSERVER-79016 Patch, Vendor Advisory https://jira.atlassian.com/browse/CONFSERVER-79016 Issue Tracking, Patch, Vendor Advisory
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 08, 2023

    Action Type Old Value New Value
    Changed CWE CWE-74 CWE-917
  • CVE Modified by [email protected]

    Jun. 30, 2022

    Action Type Old Value New Value
    Added Reference https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 14, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html No Types Assigned http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html No Types Assigned http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html No Types Assigned http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html No Types Assigned http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://jira.atlassian.com/browse/CONFSERVER-79016 No Types Assigned https://jira.atlassian.com/browse/CONFSERVER-79016 Patch, Vendor Advisory
    Added CWE NIST CWE-74
    Added CPE Configuration OR *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 1.3 up to (excluding) 7.4.17 *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 7.13.0 up to (excluding) 7.13.7 *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 7.14.0 up to (excluding) 7.14.3 *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 7.15.0 up to (excluding) 7.15.2 *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 7.16.0 up to (excluding) 7.16.4 *cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* versions from (including) 7.17.0 up to (excluding) 7.17.4 *cpe:2.3:a:atlassian:confluence_data_center:7.18.0:*:*:*:*:*:*:* *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 1.3 up to (excluding) 7.4.17 *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 7.13.0 up to (excluding) 7.13.7 *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 7.14.0 up to (excluding) 7.14.3 *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 7.15.0 up to (excluding) 7.15.2 *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 7.16.0 up to (excluding) 7.16.4 *cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* versions from (including) 7.17.0 up to (excluding) 7.17.4 *cpe:2.3:a:atlassian:confluence_server:7.18.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 08, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 08, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html [No Types Assigned]
    Added Reference http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html [No Types Assigned]
    Added Reference http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.