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CVE-2026-84674 Jenkins Project CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-09-02T16:17:32.033Z and has not been modified since then. CVE-2026-84674 is a medium-severity vulnerability in Jenkins XebiaLabs XL Deploy Plugin 26.1.0 and earlier. The plugin fails to perform adequate permission checks, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. This issue can be mitigated by restricting Overall/Read permission to trusted users and updating the plugin when a patched version is available. Evidence is limited; further review of vendor advisories and affected versions is needed. The CVE Program and NVD provide official records and assessments. Consider reviewing compensating controls and monitoring for exposed assets.

Vendor
Jenkins Project
Product
Jenkins XebiaLabs XL Deploy Plugin
CVSS
MEDIUM 5.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-02
Original CVE updated
2026-09-03
Advisory published
2026-09-02
Advisory updated
2026-09-03

Who should care

Jenkins administrators, security teams, and users with Overall/Read permission in Jenkins instances using XebiaLabs XL Deploy Plugin 26.1.0 or earlier should review and mitigate this vulnerability.

Technical summary

CVE-2026-84674 is a medium-severity vulnerability in Jenkins XebiaLabs XL Deploy Plugin 26.1.0 and earlier. The plugin fails to perform adequate permission checks, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. This issue can be mitigated by restricting Overall/Read permission to trusted users and updating the plugin when a patched version is available.

Defensive priority

Review and update Jenkins XebiaLabs XL Deploy Plugin to version later than 26.1.0 if available; restrict Overall/Read permission to trusted users.

Recommended defensive actions

  • Review and update Jenkins XebiaLabs XL Deploy Plugin to version later than 26.1.0 if available
  • Restrict Overall/Read permission to trusted users
  • Monitor credential usage and IDs for suspicious activity

Evidence notes

The CVE-2026-84674 record indicates a medium-severity vulnerability in Jenkins XebiaLabs XL Deploy Plugin 26.1.0 and earlier, allowing attackers with Overall/Read permission to enumerate credentials IDs. Evidence is limited; further review of vendor advisories and affected versions is needed.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-84674 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-84674

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

  • CVE-2026-84674 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-84674

    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.