CVE-2026-42018

JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.

Score

CVSS 3.1 7.5 High

Status

Analyzed - reefs@jfrog.com

Published

2026-08-12

Last modified

2026-10-23

Known exploited (CISA KEV)

since 2026-09-11, action due 2026-09-25: 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.

Weaknesses

CWE-287

Affected products

• Artifactory (Jfrog)

References

• https://docs.jfrog.com/releases/docs/jfrog-security-advisories
• https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases
• https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42018