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 !
Source :
[email protected]
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.
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.
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.
Unknown
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
CVSS Scores
| 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.
- 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
-
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
-
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
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