CVE-2026-84656

4.3 mediumEPSS 0.5%

Medium (4.3) in jenkins jenkins. EPSS 0.5% chance of exploitation in the next 30 days.

A missing permission check in Jenkins 2.579 and earlier, LTS 2.568.2 and earlier allows attackers with Item/Read permission on at least one job to read build parameter names and values of jobs they have no access to.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-09-02
Modified: 2026-09-15
Record from: the NVD, synced 2026-10-19

Affected

jenkins:jenkins

References

https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4006

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