JFrog · Artifactory
CVE-2026-42018
Anonymous user token generation exposure in JFrog Artifactory
What it is
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
CISA: 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.
What to do
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.
Deadline for US federal agencies: September 25, 2026
More exploited flaws from JFrog
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Sep 11, 2026 | Incorrect Authorization | Artifactory | High 8.1 | 8.6% |
| Sep 2, 2026 | Improper Authentication | Artifactory | Critical 9.8 | 14% |
| Aug 27, 2026 | Improper Limitation of a Pathname to a Restricted Directory | Artifactory | Medium 5.3 | 0.7% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.