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 :

Feb. 9, 2025, 8:48 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.

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 221 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
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

Updated: 1 week, 2 days ago
0 stars 0 fork 0 watcher
Born at : Aug. 15, 2025, 9:07 a.m. This repo has been linked 310 different CVEs too.

Vulnerability Evaluation System

Makefile Python Shell

Updated: 1 week, 3 days ago
0 stars 0 fork 0 watcher
Born at : Aug. 10, 2025, 6:49 p.m. This repo has been linked 3 different CVEs too.

⚡ AI-driven vulnerability scanner rivaling Nuclei • Advanced fuzzing • GPT-powered analysis • 50+ templates • WAF bypass

Dockerfile Batchfile Shell Go Python PowerShell

Updated: 3 weeks, 4 days ago
0 stars 0 fork 0 watcher
Born at : July 27, 2025, 11:30 p.m. This repo has been linked 4 different CVEs too.

OSCP Cheat Sheet

Updated: 1 month ago
1 stars 0 fork 0 watcher
Born at : July 5, 2025, 10:38 p.m. This repo has been linked 73 different CVEs too.

OSCP Cheat Sheet

Updated: 1 month, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : July 5, 2025, 4:34 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 1 month, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : July 2, 2025, 7:05 a.m. This repo has been linked 72 different CVEs too.

None

Updated: 1 month, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : June 29, 2025, 1:36 a.m. This repo has been linked 19 different CVEs too.

OSCP Cheat

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : June 16, 2025, 2:22 p.m. This repo has been linked 72 different CVEs too.

None

Updated: 16 hours, 19 minutes ago
0 stars 0 fork 0 watcher
Born at : June 15, 2025, 8:54 a.m. This repo has been linked 6 different CVEs too.

None

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : June 14, 2025, 11:46 a.m. This repo has been linked 1 different CVEs too.

CVE-2022-26134 - Confluence Pre-Auth Remote Code Execution [RCE]

cve-2022-26134 cve-2022-26134-pro yuri08 yuri08loveelaina atlassian-confluence rce rce-exploit rce-scanner remote-code-execution remote-code-execution-rce

Python

Updated: 2 weeks, 2 days ago
1 stars 0 fork 0 watcher
Born at : June 14, 2025, 8:46 a.m. This repo has been linked 1 different CVEs too.

None

Updated: 2 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : June 10, 2025, 6:57 a.m. This repo has been linked 105 different CVEs too.

Atlassian's Confluence Server and Data Center editions (Vulnerable Version > 7.18.1)

confluence-server cve-2022-26134 poc

Python

Updated: 2 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : June 9, 2025, 3:33 a.m. This repo has been linked 1 different CVEs too.

安全项目集合

Updated: 1 month, 4 weeks ago
1 stars 0 fork 0 watcher
Born at : May 30, 2025, 3:08 a.m. This repo has been linked 40 different CVEs too.

None

Updated: 3 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : April 27, 2025, 2:02 a.m. This repo has been linked 8 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.

  • 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 (5 months, 4 weeks 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 (5 months, 4 weeks 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 (9 months, 1 week 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 (9 months, 1 week 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 (11 months, 2 weeks 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, 3 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]

    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.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

94.43 }} -0.04%

score

0.99977

percentile