What is CVE-2026-42018?

CVE-2026-42018 is a high-severity vulnerability in Jfrog Artifactory, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-08-12.

How severe is CVE-2026-42018?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Jfrog Artifactory

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.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Jfrog Artifactory — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

reefs@jfrog.com (vendor-advisory)
reefs@jfrog.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-42018?: CVE-2026-42018 is a high-severity vulnerability in Jfrog Artifactory, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-08-12.
How severe is CVE-2026-42018?: High severity. CVSS v3 base score is 7.5 out of 10.