Three JFrog Artifactory Flaws Exploited for Backdoor Deployment
Three high-severity vulnerabilities in JFrog Artifactory have been exploited in the wild to bypass authentication and gain administrative privileges. These flaws allow attackers to deploy backdoors, create persistent admin accounts, and execute arbitrary code. The vulnerabilities, identified as CVE-2026-42016, CVE-2026-42018, and CVE-2026-82329, have been patched by JFrog. Multiple threat actors have chained these vulnerabilities to escalate privileges and maintain persistent access on self-hosted Artifactory instances. The Cybersecurity and Infrastructure Security Agency (CISA) has added these CVEs to its Known Exploited Vulnerabilities catalog and mandated federal agencies to patch within two weeks. Organizations are strongly advised to update to the fixed versions immediately.
AI Analysis
Technical Summary
Three vulnerabilities in JFrog Artifactory (CVE-2026-42016, CVE-2026-42018, and CVE-2026-82329) enable attackers to bypass authentication and escalate privileges to administrator level. CVE-2026-42018, patched on August 12, 2026, allows obtaining an anonymous-user token granting access to sensitive data. CVE-2026-42016, patched on July 27, 2026, involves insufficient token validation enabling privilege escalation. CVE-2026-82329, patched on August 28, 2026, is an authentication bypass exploitable remotely without authentication. Exploits have been observed since mid-August 2026, with attackers deploying persistent admin accounts, malicious plugins for arbitrary code execution, and exfiltrating configuration and cluster keys. CISA has listed these vulnerabilities in its KEV catalog and required prompt patching. Fixed versions include 7.161.20, 7.146.38, 7.133.29, 7.125.20, 7.117.28, and 7.111.21.
Potential Impact
Successful exploitation allows attackers to bypass authentication, gain administrative privileges, deploy backdoors, execute arbitrary code, exfiltrate sensitive configuration and cluster keys, and maintain persistent access to self-hosted JFrog Artifactory instances. This compromises the integrity and confidentiality of software artifacts and repository data managed by Artifactory, potentially affecting software supply chains.
Mitigation Recommendations
Official patches addressing these vulnerabilities have been released by JFrog. Organizations should immediately update their self-managed Artifactory deployments to one of the fixed versions: 7.161.20, 7.146.38, 7.133.29, 7.125.20, 7.117.28, or 7.111.21. Federal agencies have been mandated by CISA to patch within two weeks. No additional mitigation actions are indicated beyond applying these official updates.
Three JFrog Artifactory Flaws Exploited for Backdoor Deployment
Description
Three high-severity vulnerabilities in JFrog Artifactory have been exploited in the wild to bypass authentication and gain administrative privileges. These flaws allow attackers to deploy backdoors, create persistent admin accounts, and execute arbitrary code. The vulnerabilities, identified as CVE-2026-42016, CVE-2026-42018, and CVE-2026-82329, have been patched by JFrog. Multiple threat actors have chained these vulnerabilities to escalate privileges and maintain persistent access on self-hosted Artifactory instances. The Cybersecurity and Infrastructure Security Agency (CISA) has added these CVEs to its Known Exploited Vulnerabilities catalog and mandated federal agencies to patch within two weeks. Organizations are strongly advised to update to the fixed versions immediately.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Three vulnerabilities in JFrog Artifactory (CVE-2026-42016, CVE-2026-42018, and CVE-2026-82329) enable attackers to bypass authentication and escalate privileges to administrator level. CVE-2026-42018, patched on August 12, 2026, allows obtaining an anonymous-user token granting access to sensitive data. CVE-2026-42016, patched on July 27, 2026, involves insufficient token validation enabling privilege escalation. CVE-2026-82329, patched on August 28, 2026, is an authentication bypass exploitable remotely without authentication. Exploits have been observed since mid-August 2026, with attackers deploying persistent admin accounts, malicious plugins for arbitrary code execution, and exfiltrating configuration and cluster keys. CISA has listed these vulnerabilities in its KEV catalog and required prompt patching. Fixed versions include 7.161.20, 7.146.38, 7.133.29, 7.125.20, 7.117.28, and 7.111.21.
Potential Impact
Successful exploitation allows attackers to bypass authentication, gain administrative privileges, deploy backdoors, execute arbitrary code, exfiltrate sensitive configuration and cluster keys, and maintain persistent access to self-hosted JFrog Artifactory instances. This compromises the integrity and confidentiality of software artifacts and repository data managed by Artifactory, potentially affecting software supply chains.
Mitigation Recommendations
Official patches addressing these vulnerabilities have been released by JFrog. Organizations should immediately update their self-managed Artifactory deployments to one of the fixed versions: 7.161.20, 7.146.38, 7.133.29, 7.125.20, 7.117.28, or 7.111.21. Federal agencies have been mandated by CISA to patch within two weeks. No additional mitigation actions are indicated beyond applying these official updates.
Technical Details
- Classification
- {"confidence":0.65,"severitySource":"default","classifier":"rss-v2"}
- Article Source
- {"url":"https://www.securityweek.com/three-jfrog-artifactory-flaws-exploited-for-backdoor-deployment/","fetched":true,"fetchedAt":"2026-09-14T09:31:36.315Z","wordCount":990}
Threat ID: 6aa7bef855bf5e2cf5d75102
Added to database: 09/14/2026, 09:31:36 UTC
Last enriched: 09/14/2026, 09:31:48 UTC
Last updated: 09/15/2026, 01:46:45 UTC
Views: 14
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