Improper Authentication in JFrog Artifactory - CVE-2026-42018

 

Improper Authentication in JFrog Artifactory - CVE-2026-42018

Published: August 31, 2026


Vulnerability identifier: #VU146495
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42018
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper authentication in anonymous-user token generation when handling unauthenticated requests while anonymous access is disabled. A remote attacker can request a token and receive an internal anonymous-user token to disclose sensitive information.

Exploitation is possible even when anonymous access is disabled.


Affected software

JFrog Artifactory

How to mitigate CVE-2026-42018

Install security update from vendor's website.

JFrog Artifactory - addressed in versions 7.111.20, 7.117.27, 7.125.19, 7.133.28, 7.146.8

External References

Related Security Bulletins