Known Exploited Vulnerability
8.8
HIGH CVSS 3.1
CVE-2026-42016
JFrog Artifactory Incorrect Authorization Vulnerability - [Actively Exploited]
Description

JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.

INFO

Published Date :

July 27, 2026, 8:16 p.m.

Last Modified :

Sept. 12, 2026, 4:16 a.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 :

JFrog Artifactory contains an incorrect authorization vulnerability that leads to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.

Required Action :

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Known Ransomware Campaign Use:

Unknown

Notes :

https://docs.jfrog.com/releases/docs/jfrog-security-advisories ; https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-42016

Affected Products

The following products are affected by CVE-2026-42016 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 Jfrog artifactory
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 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 48a46f29-ae42-4e1d-90dd-c1676c1e5e6d
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
CVSS 3.1 HIGH [email protected]
Solution
Update JFrog Artifactory to version 7.133.11 or later to fix privilege escalation.
  • Update JFrog Artifactory to version 7.133.11 or later.
  • Verify token validation and scope checks.
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-2026-42016.

URL Resource
https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases Release Notes
https://docs.jfrog.com/releases/docs/jfrog-security-advisories Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016 US Government Resource
https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201 Third Party 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-2026-42016 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-2026-42016 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).

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

The following list is the news that have been mention CVE-2026-42016 vulnerability anywhere in the article.

  • The Hacker News
CISA Adds 5 Actively Exploited Artifactory, ScreenConnect, and RouterOS Flaws to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added five security flaws impacting JFrog Artifactory, ConnectWise ScreenConnect, and MikroTik RouterOS to its Known Exploited Vuln ... Read more

Published Date: Sep 12, 2026 (2 weeks, 2 days ago)
  • TheCyberThrone
CISA adds Six Vulnerabilities in Two Days

CISA added six vulnerabilities to the Known Exploited Vulnerabilities (KEV) Catalog across September 10 and 11, 2026.The additions affect MikroTik RouterOS, ConnectWise ScreenConnect, GitLab, and JFro ... Read more

Published Date: Sep 12, 2026 (2 weeks, 2 days ago)
  • The Hacker News
Attackers Chain JFrog Artifactory Flaws to Gain Admin Control and Plant Backdoors

Attackers have chained two flaws in JFrog Artifactory, the repository that software build pipelines pull from, to take administrator control of self-hosted servers and plant backdoors, cloud security ... Read more

Published Date: Sep 11, 2026 (2 weeks, 3 days ago)

The following table lists the changes that have been made to the CVE-2026-42016 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.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 12, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-42016', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-11T18:50:46.942762Z'} {'id': 'CVE-2026-42016', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-11T00:00:00+00:00'}
  • Modified Analysis by [email protected]

    Sep. 11, 2026

    Action Type Old Value New Value
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016 Types: US Government Resource
    Added Reference Type CISA-ADP: https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201 Types: Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 11, 2026

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016
    Added Reference https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201
    Changed SSVC {'id': 'CVE-2026-42016', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-11T10:15:28.944933Z'} {'id': 'CVE-2026-42016', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-11T18:50:46.942762Z'}
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Sep. 11, 2026

    Action Type Old Value New Value
    Added Date Added 2026-09-11
    Added Due Date 2026-09-11
    Added Required Action 2026-09-11
    Added Vulnerability Name 2026-09-11
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 11, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-42016', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-27T20:17:10.319498Z'} {'id': 'CVE-2026-42016', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-11T10:15:28.944933Z'}
  • CVE Modified by [email protected]

    Sep. 11, 2026

    Action Type Old Value New Value
    Added Reference https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases
    Added Reference https://docs.jfrog.com/releases/docs/jfrog-security-advisories
    Removed Reference https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases
    Removed Reference https://docs.jfrog.com/releases/docs/jfrog-security-advisories
    Removed Reference Type https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases Types: Release Notes
    Removed Reference Type https://docs.jfrog.com/releases/docs/jfrog-security-advisories Types: Vendor Advisory
  • Initial Analysis by [email protected]

    Jul. 30, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CPE Configuration OR *cpe:2.3:a:jfrog:artifactory:*:*:*:*:*:-:*:* versions up to (excluding) 7.133.11
    Added Reference Type JFrog: https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases Types: Release Notes
    Added Reference Type JFrog: https://docs.jfrog.com/releases/docs/jfrog-security-advisories Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 27, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-42016', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-27T20:17:10.319498Z'}
  • New CVE Received by [email protected]

    Jul. 27, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'jfrog', 'product': 'artifactory', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '7.133.11', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}]
    Added Description JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
    Added CWE CWE-863
    Added Reference https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases
    Added Reference https://docs.jfrog.com/releases/docs/jfrog-security-advisories
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.