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CVE-2026-92141 Jenkins Project CVE debrief

CVE-2026-92141 debrief based on the supplied source corpus. The Jenkins Keycloak Authentication Plugin 2.4.1 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks. This vulnerability affects Jenkins administrators and security teams, who should assess exposure and phishing risk in their deployments. The vulnerability requires verification of affected versions and remediation. Defenders should prioritize verifying exposure and remediation for Jenkins Keycloak Authentication Plugin 2.4.1 and earlier.

Vendor
Jenkins Project
Product
Jenkins Keycloak Authentication Plugin
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-16
Original CVE updated
2026-09-18
Advisory published
2026-09-16
Advisory updated
2026-09-18

Who should care

Jenkins administrators and security teams should assess exposure and phishing risk in their deployments. Defenders should care about CVE-2026-92141 because it allows phishing attacks in Jenkins Keycloak Authentication Plugin 2.4.1 and earlier. The vulnerability requires verification of affected versions and remediation.

Why it matters

Defenders should care about CVE-2026-92141 because it allows phishing attacks in Jenkins Keycloak Authentication Plugin 2.4.1 and earlier. Jenkins administrators and security teams should assess exposure and phishing risk in their deployments. The vulnerability requires verification of affected versions and remediation.

  • Phishing attacks may be performed using the redirect URL vulnerability
  • Jenkins administrators must verify exposure and remediation for the Keycloak Authentication Plugin

Technical summary

The Jenkins Keycloak Authentication Plugin 2.4.1 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks. This vulnerability affects Jenkins deployments, and defenders should prioritize verifying exposure and remediation for Jenkins Keycloak Authentication Plugin 2.4.1 and earlier. The vulnerability requires verification of affected versions and remediation.

Defensive priority

Defenders should prioritize verifying exposure and remediation for Jenkins Keycloak Authentication Plugin 2.4.1 and earlier.

Recommended defensive actions

  • Verify exposure of Jenkins Keycloak Authentication Plugin 2.4.1 and earlier
  • Assess phishing risk in Jenkins deployments
  • Review redirect URL restrictions in Jenkins Keycloak Authentication Plugin

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the affected versions and remediation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-92141 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-92141

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

  • CVE-2026-92141 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-92141

    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.