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CISA KEV · ACTIVELY EXPLOITED
HIGH severity

CVE-2026-42016 — Artifactory

HIGH

CVE-2026-42016 is a high-severity (CVSS 8.1) CWE-863 vulnerability in jfrog artifactory. It is in CISA's Known Exploited Vulnerabilities catalog (added 2026-09-11) — treat it as actively exploited and patch now. A fix is available — see the affected versions and patch details below.

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.

Published
Updated
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 28, 2026 · OSV.dev, NVD, CISA KEV, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

  • Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2026-09-11. Federal agencies were required to remediate by 2026-09-25.
  • A successful exploit gives an attacker total control of the affected component, not partial access.

Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2026-42016.

EPSS Exploitation Probability

via FIRST.org ↗
8.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs95th percentile — riskier than 95% of all scored CVEsHighest risk
0.00%3.72%7.44%11.2%0.2%0.2%8.6%8.6%Aug 26Oct 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-42016 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 398,142 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Description

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.

Affected Products

1 product · 1 configurations
Application
artifactoryjfrog
< 7.133.11
range

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every jfrog artifactory deployment and check each version against the affected-products list above.

  2. Fix

    Apply the jfrog artifactory security patch or hotfix for CVE-2026-42016 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Close the privilege gap rather than the entry point: audit which accounts, roles and service identities can reach the affected operation, drop the component to the least privilege it actually needs, and review file and directory permissions created by earlier installs — a default left in place is what makes this reachable. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

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.
O3 Security · Runtime Protection

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Actively Exploited: CVE-2026-42016: Artifactory (High 8.1)