CVE-2026-42018: JFrog Artifactory Improper Authentication Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: yes — in CISA KEV since 2026-09-11
EPSS: 9.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-08-12 · updated 2026-10-23
Weakness: CWE-287

Description

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

Affected products

jfrog artifactory: before 7.111.20; from 7.117.0 before 7.117.27; from 7.125.0 before 7.125.19; from 7.133.0 before 7.133.28; from 7.146.0 before 7.146.8 — fixed in 7.111.20, 7.117.27, 7.125.19, 7.133.28, 7.146.8

How to fix

Upgrade to a fixed version: jfrog artifactory 7.111.20, 7.117.27, 7.125.19, 7.133.28. Check the vendor advisory for mitigations.

References

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

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