CVE-2026-84656

MEDIUM

4.3

CVSS Score

Published: September 2, 2026 at 03:40 PM UTC

Updated: September 15, 2026 at 06:20 PM UTC

1 product affected across 1 vendorJenkins

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Jenkins · Jenkinsjenkins-plugin

95%

v ≤ 2.568.2v ≤ 2.579

Vendor states this is fixed in 2.568.3 (unaffected)

Vendor states this is fixed in 2.580 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

Vendor Advisory

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-862

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