CVE-2026-42519: Jenkins Script Security Plugin · Missing Authorization
Affects Jenkins Script Security PluginSource CVE Database V5
Not known to be exploited · CVSS 4.3 Medium.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Jenkins ProjectJenkins Script Security Plugin | Affected
| Fixed in– |
AI-suggested
Until an official fix is released, restrict Overall/Read permissions to trusted users only to limit exposure.
Description
A missing permission check in Jenkins Script Security Plugin 1399.ve6a_66547f6e1 and earlier allows attackers with Overall/Read permission to enumerate pending and approved Script Security classpaths.