CVE-2026-57280
Jenkins Script Security Plugin sandbox bypass vulnerability
Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts, allowing attackers able to provide such scripts to invoke arbitrary constructors and bypass the sandbox protection.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts, allowing attackers able to provide such scripts to invoke arbitrary constructors and bypass the sandbox protection.
- Record
CVE-2026-57280- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
EUVDEUVD-2026-38760
8.8
Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts, allowing attackers able to provide such scripts to invoke arbitrary constructors and bypass the sandbox protection.
- Record
EUVD-2026-38760- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c3jm-9vj7-5v66
8.8
Jenkins Script Security Plugin sandbox bypass vulnerability
Jenkins Script Security Plugin provides a sandbox feature that allows running user-provided scripts safely by intercepting and checking potentially unsafe operations.
Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type cast applied to each element of the iterated collection in a typed for loop (e.g. for (Type t in collection)), as this cast is performed during bytecode generation rather than in the transformed script AST.
This allows attackers able to provide sandboxed scripts to invoke constructors of arbitrary types without those invocations being checked by the sandbox, bypassing the sandbox protection. This can be used to execute arbitrary code on the Jenkins controller.
Script Security Plugin 1402.1405.vc96e74964250 updates the bundled groovy-sandbox library to a version that intercepts the implicit type cast applied to typed for loop elements, so those casts are checked by the sandbox.
- Record
GHSA-c3jm-9vj7-5v66- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
NVD
8.8
Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts, allowing attackers able to provide such scripts to invoke arbitrary constructors and bypass the sandbox protection.
- Record
CVE-2026-57280- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
OSV
8.8
Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts, allowing attackers able to provide such scripts to invoke arbitrary constructors and bypass the sandbox protection.
- Record
CVE-2026-57280- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-c3jm-9vj7-5v66
8.8
Jenkins Script Security Plugin sandbox bypass vulnerability
Jenkins Script Security Plugin provides a sandbox feature that allows running user-provided scripts safely by intercepting and checking potentially unsafe operations.
Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type cast applied to each element of the iterated collection in a typed for loop (e.g. for (Type t in collection)), as this cast is performed during bytecode generation rather than in the transformed script AST.
This allows attackers able to provide sandboxed scripts to invoke constructors of arbitrary types without those invocations being checked by the sandbox, bypassing the sandbox protection. This can be used to execute arbitrary code on the Jenkins controller.
Script Security Plugin 1402.1405.vc96e74964250 updates the bundled groovy-sandbox library to a version that intercepts the implicit type cast applied to typed for loop elements, so those casts are checked by the sandbox.
- Record
GHSA-c3jm-9vj7-5v66- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:script-securityMaven |
before 1402.1405.vc96e74964250 | 1402.1405.vc96e74964250 |
org.jenkins-ci.plugins:script-securityMaven |
before 1402.1405.vc96e74964250, plus listed versions 1.01.0-beta-11.0-beta-21.0-beta-31.0-beta-4 Show 45 moreShow less1.0-beta-51.0-beta-61.11.101.111.121.131.141.151.161.171.181.18.11.191.21.201.211.221.231.241.251.261.271.281.291.29.11.31.301.311.331.341.351.361.371.381.391.41.401.411.421.431.441.44.11.451.46 |
1402.1405.vc96e74964250 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-57280 is a high vulnerability (CVSS 8.8) in Jenkins Script Security, published June 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. Fixed in org.jenkins-ci.plugins:script-security 1402.1405.vc96e74964250.
References
jenkins.io/security/advisory/2026-06-24
nvd.nist.gov/vuln/detail/CVE-2026-57280
github.com/jenkinsci/script-security-plugin/commit/858015c25c7bc7ab59c666307093b0e16b90048c
github.com/jenkinsci/script-security-plugin/releases/tag/1402.1405.vc96e74964250
github.com/advisories/GHSA-c3jm-9vj7-5v66
github.com/jenkinsci/script-security-plugin
Left out here: 115 versions. The JSON record has them.