Auth bypass in Jfrog Artifactory
CVE-2026-42016
JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.
Vulnerability class: Broken Access Control
EPSS: 0.003 (18.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Jfrog Artifactory — versions 0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: 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.
References
- reefs@jfrog.com (vendor-advisory, Vendor Advisory)
- reefs@jfrog.com (vendor-advisory, Release Notes)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory)
Frequently asked questions
- What is CVE-2026-42016?
- CVE-2026-42016 is a high-severity vulnerability in Jfrog Artifactory, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-07-27.
- How severe is CVE-2026-42016?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2026-42016 known to be exploited?
- Yes. CVE-2026-42016 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-09-11), indicating it is being actively exploited.