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PatchSiren cyber security CVE debrief

CVE-2026-42016 jfrog CVE debrief

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. This vulnerability allows for potential privilege escalation, impacting defenders who manage JFrog Artifactory instances. They should assess exposure and prioritize verification of affected versions to mitigate potential risks. The vulnerability is rooted in insufficient validation of token scopes, which could lead to unauthorized access and control.

Vendor
jfrog
Product
artifactory
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-27
Original CVE updated
2026-09-11
Advisory published
2026-07-27
Advisory updated
2026-09-11

Who should care

Defenders responsible for JFrog Artifactory instances should assess exposure and prioritize verification of affected versions. This includes operators managing the affected product, platform administrators, vulnerability management teams, and security teams who need to understand the potential impact and take appropriate measures to secure their environments. Prioritization is crucial due to the potential for and -

Why it matters

Defenders should prioritize verifying the affected versions and assessing exposure to the privilege escalation vulnerability in JFrog Artifactory (Self Hosted) versions before 7.133.11.

  • Privilege escalation is possible due to insufficient token scope validation
  • Defenders must verify JFrog Artifactory versions and assess exposure

Technical summary

The vulnerability in JFrog Artifactory (Self Hosted) versions before 7.133.11 stems from a validation check that focuses on the token signature/issuer rather than the token’s scope. This oversight could allow an attacker to escalate privileges, potentially leading to unauthorized access and control within the affected systems. Defenders should focus on verifying the affected versions and assessing exposure to mitigate potential risks.

Defensive priority

Defenders should prioritize verifying the affected versions and assessing exposure, as the vulnerability allows for privilege escalation.

Recommended defensive actions

  • Verify the version of JFrog Artifactory is 7.133.11 or later
  • Assess exposure to the vulnerability
  • Implement additional security controls to prevent privilege escalation

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its description, CVSS score, and affected versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42016 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42016

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-42016 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42016

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.