CVE-2026-42519
Jenkins Script Security Plugin: Missing permission checks allow enumeration of pending and approved classpaths
4.3
MEDIUM
CVSS 3.1
EPSS 0.17%
Description
Jenkins Script Security Plugin versions 1399.ve6a_66547f6e1 and earlier do not perform a permission check in an HTTP endpoint. This allows attackers with Overall/Read permission to enumerate pending and approved Script Security classpaths. Script Security Plugin 1402.v94c9ce464861 requires Overall/Administer permission to enumerate pending and approved Script Security classpaths.
How to fix CVE-2026-42519
To remediate CVE-2026-42519, upgrade the affected package to a fixed version below.
- —upgrade to 1402.v94c9ce464861 or later
Is CVE-2026-42519 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1402.v94c9ce464861
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |