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Vulnerability record · CVE-2026-84656 · published 2 September 2026

CVE-2026-84656: Jenkins missing authorization vulnerability

Jenkins · Jenkins

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.

4.3 CVSS 3.1 Medium EPSS 0.30% · top 79.0% CWE-862 · Missing authorization
4.3CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
15 Sep 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-84656), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.