CVE-2026-42016: JFrog Artifactory Incorrect Authorization Vulnerability

What it is

JFrog Artifactory contains an incorrect authorization vulnerability that leads to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.

What to do

Schedule the vendor fix into this week’s change window, prioritising internet-facing and business-critical systems. Confirm the fix is applied everywhere, not just where it was easy.

Priority

This week: Schedule into this week’s change window.

Severity (CVSS)

8.1 high

CISA assessment (SSVC)

actively exploited; needs manual effort per target; total control of the affected system

Exploit probability (EPSS, 30 days)

8.6%, higher than 95% of all CVEs

Added to CISA KEV

11 September 2026

CISA fix-by date

25 September 2026 (US federal agencies; a sensible deadline for everyone)

Ransomware use

Not known

Weakness

CWE-863

References

• NIST NVD entry
• CISA KEV entry
• docs.jfrog.com/releases/docs/artifactory-self-managed-releases
• docs.jfrog.com/releases/docs/jfrog-security-advisories
• www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016
• www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42

Sources: CISA Known Exploited Vulnerabilities · FIRST Exploit Prediction Scoring System (EPSS) · NIST National Vulnerability Database · CISA Vulnrichment (SSVC), via the CVE Program. This product uses data from the NVD API but is not endorsed or certified by the NVD. Summaries are machine-written from CISA’s description; treat the vendor’s advisory as the authority for fixes.