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Vulnerability · Published Jun 24, 2026 · Assigned by jenkins

CVE-2026-57281

High 7.5

In plain English

A high-severity expression language injection in Jenkins Script Security Plugin from Jenkins Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 39.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations carrying an extensions member, allowing attackers able to run sandboxed Groovy scripts to execute code outside the sandbox if a suitable script is present on the classpath of the component that evaluates the script.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.jenkins-ci.plugins:script-security1402.1405.vc96e74964250GHSA-cfj9-2vgr-hpxp

Affected products (as reported)

VendorProductVersions
Jenkins Project Jenkins Script Security Plugin 0 – through 1402.v94c9ce464861

Weakness: CWE-693, CWE-93, CWE-917 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References