CVE-2026-84656
CVSS v3
4.3
MEDIUM
EPSS Score
0.3 %
exploit probability, as of 2026-10-02
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2026-09-02
- Last Modified
- 2026-09-02
Frequently asked questions
What is CVE-2026-84656?
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.
Is CVE-2026-84656 actively exploited?
Active exploitation of CVE-2026-84656 has not been confirmed. Its EPSS score was 0.3% on 2026-10-02, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-84656?
CVE-2026-84656 has a CVSS v3 base score of 4.3 (MEDIUM severity).
Is CVE-2026-84656 affecting your environment?
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