CVE-2026-42519: jenkins project jenkins script security plugin Missing Authorization
CVSS: 4.3v3.1MediumAnalyzed
AliasesCGA-4p74-jjqx-7f3mCGA-6fww-2m4m-g3m9CGA-r57w-xpwm-qmgfCGA-2cg3-3555-656mCGA-2m6r-2499-m338CGA-2xhv-56pv-v4gvCGA-429g-f3jx-mgxjCGA-4cm4-235v-vfg5CGA-4p37-m6f5-g9rjCGA-8qcj-cgg3-7fc3CGA-9q9w-fxc2-4c76CGA-cpcj-fjgg-j73vCGA-f8v5-w8xr-2fpmCGA-ghc7-j6rv-mqrvCGA-gxg5-73qr-3p65CGA-gxqw-m82v-5h5qCGA-hr2x-cgvf-8vc5GHSA-p334-gfhq-c7w6CGA-px9h-57f4-wxc7CGA-wrwc-vvvr-2649CGA-wvq4-vp95-mxg2CGA-xr26-6grf-m5fm
Published 29-04-2026Last modified 29-04-2026
Vulnerability summary
CVE-2026-42519 is a medium (CVSS 4.3) Missing Authorization vulnerability in jenkins project jenkins script security plugin. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.3% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.28%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 29-04-2026PublishedVulnerability first disclosed.
- 29-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 5 sources · 1 versionMedium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NSourcesAll 5 agree
- OSV · WolfiEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- OSV · MavenEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
+0.11 pp
From 0.17% on 19-09-2026
19-09-202619-10-2026
EPSS score0.28%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard11 products
- jenkins-2-openjdk-21< 2.560-r1
- jenkins-2-openjdk-25< 2.563-r0
- jenkins-2.528-openjdk-17All versions (No fix recorded)
- jenkins-2.528-openjdk-21All versions (No fix recorded)
- jenkins-2.541< 2.541.3-r8
Wolfi2 products
- jenkins-2-openjdk-21< 2.560-r1
- jenkins-2-openjdk-25< 2.563-r0
Jenkins1 product
- script_security≤ 1399.ve6a_66547f6e1
Jenkins project1 product
- jenkins script security plugin≤ 1399.ve6a_66547f6e1
Org.jenkins-ci.plugins1 product
- script-security< 1402.v94c9ce464861
5 vendors · 16 products
