CVE-2026-42018
JFrog Artifactory Improper Authentication Vulnerability
JFrog ArtifactoryApplications & CMS
CVSS
7.5HighExploit odds (EPSS)9.80%Chance of exploitation activity in the next 30 days, higher than 95% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply 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. CISA KEV
What fixes it
- 7.111.20artifactoryCVE List
- 7.117.27artifactoryCVE List
- 7.125.19artifactoryCVE List
- 7.133.28artifactoryCVE List
- 7.146.8artifactoryCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
Public exploit code and templates 1
- Scanner templateJFrog Artifactory - Anonymous Token Disclosure via Trailing Slash Auth BypassNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
JFrog Artifactory contains an improper authentication vulnerability that could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
Text from CVE List
Affected versions 5
- artifactoryaffected: all versions before 7.111.20CVE List
- artifactoryaffected: 7.117.0 before 7.117.27CVE List
- artifactoryaffected: 7.125.0 before 7.125.19CVE List
- artifactoryaffected: 7.133.0 before 7.133.28CVE List
- artifactoryaffected: 7.146.0 before 7.146.8CVE List
References 5
- docs.jfrog.com/releases/docs/jfrog-security-advisoriesAdvisoryvia CVE List
- docs.jfrog.com/releases/docs/artifactory-self-managed-releasesAdvisoryvia CVE List
- wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2026-42018Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42018Referencevia CVE List