CVE-2026-84656

At a glance

Severity: MEDIUM 4.3
EPSS: EPSS 0.30 % · percentile 23 (2026-10-27)
State: PUBLISHED
Published: 2026-09-02
Updated: 2026-09-02
Assigner: jenkins
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	CISA-ADP
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-862

European references

ENISA EUVD · EUVD-2026-70122
GCVE · GCVE-0-2026-84656

Affected configurations (NVD CPE)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* ≤ 2.568.2
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* ≤ 2.579

Affected products

Product	Versions
Jenkins Project · Jenkins	unaffected 2.580 < * ; unaffected 2.568.3 < 2.568.*

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD