CVE-2026-84658 Jenkins Project CVE debrief

Who should care

Administrators and users of Jenkins Script Security Plugin version 1412.v7737b_3405f86 or earlier should verify affected scope and apply patches. This vulnerability affects operators who manage Jenkins Script Security Plugin deployments, platform administrators responsible for maintaining the plugin, vulnerability management teams who track and prioritize CVE-2026-84658, and security teams that need to assess the risk and implement mitigations. Affected deployments may exist in managed environments, and owners should be assigned for follow-up. Compensating controls should be reviewed for exposed systems while remediation is scheduled and verified. Relevant monitoring, detection, and logs should be checked for exposed assets that need extra review. The CVE record was published on 2026-09-02T16:17:30.470Z and has not been modified since then. Verify affected scope and vendor remediation. Check for vendor remediation and apply patches. Monitor for compensating controls and exception tracking. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Review compensating controls for exposed systems while remediation is scheduled and verified. Check relevant monitoring, detection, and logs for exposed assets that need extra review. The evidence for this CVE is limited. The CVE record was published on 2026-09-02T16:17:30.470Z and has not been modified since then. Defenders should verify affected scope, vendor remediation, and apply patches. Check inventory for Jenkins Script Security Plugin version 1412.v7737b_3405f86 or earlier. Monitor for compensating controls and exception tracking. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

Jenkins Script Security Plugin 1412.v7737b_3405f86 and earlier uses the `@DataBoundConstructor` annotation on a constructor that loads script approval configuration, allowing attackers able to submit certain forms to read that configuration. This vulnerability allows attackers to read script approval configuration by submitting certain forms. The affected product is Jenkins Script Security Plugin, and the vulnerability has a medium severity level.

Defensive priority

Medium-severity vulnerability in Jenkins Script Security Plugin allows attackers to read script approval configuration.

Recommended defensive actions

• Verify affected scope and inventory for Jenkins Script Security Plugin version 1412.v7737b_3405f86 or earlier
• Check for vendor remediation and apply patches
• Monitor for compensating controls and exception tracking

Evidence notes

The evidence for this CVE is limited. The CVE record was published on 2026-09-02T16:17:30.470Z and has not been modified since then. Defenders should verify affected scope, vendor remediation, and apply patches. Check inventory for Jenkins Script Security Plugin version 1412.v7737b_3405f86 or earlier. Monitor for compensating controls and exception tracking.

Sources and 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.