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CVE-2024-34144

Jenkins Script Security Plugin has sandbox bypass vulnerability involving crafted constructor bodies

9.8 CriticalPublic exploitFix available

A sandbox bypass vulnerability involving crafted constructor bodies in Jenkins Script Security Plugin 1335.vf07d9ce377a_e and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

48.4%Up 48.3 points since May 3, 2024
90%50%10%1%

What each source reports

CVE List Score used 9.8

A sandbox bypass vulnerability involving crafted constructor bodies in Jenkins Script Security Plugin 1335.vf07d9ce377a_e and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Record
CVE-2024-34144
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-693
Updated
2026-11-02
EUVDEUVD-2024-1789 9.8

A sandbox bypass vulnerability involving crafted constructor bodies in Jenkins Script Security Plugin 1335.vf07d9ce377a_e and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Record
EUVD-2024-1789
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-v63g-v339-2673 8.8

Jenkins Script Security Plugin has sandbox bypass vulnerability involving crafted constructor bodies

Jenkins Script Security Plugin provides a sandbox feature that allows low privileged users to define scripts, including Pipelines, that are generally safe to execute. Calls to code defined inside a sandboxed script are intercepted, and various allowlists are checked to determine whether the call is to be allowed.

Multiple sandbox bypass vulnerabilities exist in Script Security Plugin 1335.vf07d9ce377a_e and earlier:

  • Crafted constructor bodies that invoke other constructors can be used to construct any subclassable type via implicit casts.

  • Sandbox-defined Groovy classes that shadow specific non-sandbox-defined classes can be used to construct any subclassable type.

These vulnerabilities allow attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Script Security Plugin 1336.vf33a_a_9863911 has additional restrictions and sanity checks to ensure that super constructors cannot be constructed without being intercepted by the sandbox:

  • Calls to to other constructors using this are now intercepted by the sandbox.

  • Classes in packages that can be shadowed by Groovy-defined classes are no longer ignored by the sandbox when intercepting super constructor calls.

Record
GHSA-v63g-v339-2673
CVSS 3.1
8.8 HighCVSS: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 9.8

A sandbox bypass vulnerability involving crafted constructor bodies in Jenkins Script Security Plugin 1335.vf07d9ce377a_e and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Record
CVE-2024-34144
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-693
Updated
2026-11-02
OSV 9.8

A sandbox bypass vulnerability involving crafted constructor bodies in Jenkins Script Security Plugin 1335.vf07d9ce377a_e and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Record
CVE-2024-34144
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-v63g-v339-2673 8.8

Jenkins Script Security Plugin has sandbox bypass vulnerability involving crafted constructor bodies

Jenkins Script Security Plugin provides a sandbox feature that allows low privileged users to define scripts, including Pipelines, that are generally safe to execute. Calls to code defined inside a sandboxed script are intercepted, and various allowlists are checked to determine whether the call is to be allowed.

Multiple sandbox bypass vulnerabilities exist in Script Security Plugin 1335.vf07d9ce377a_e and earlier:

  • Crafted constructor bodies that invoke other constructors can be used to construct any subclassable type via implicit casts.

  • Sandbox-defined Groovy classes that shadow specific non-sandbox-defined classes can be used to construct any subclassable type.

These vulnerabilities allow attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Script Security Plugin 1336.vf33a_a_9863911 has additional restrictions and sanity checks to ensure that super constructors cannot be constructed without being intercepted by the sandbox:

  • Calls to to other constructors using this are now intercepted by the sandbox.

  • Classes in packages that can be shadowed by Groovy-defined classes are no longer ignored by the sandbox when intercepting super constructor calls.

Record
GHSA-v63g-v339-2673
CVSS 3.1
8.8 HighCVSS: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
Show 5 moreShow less
OSVRHSA-2024:3634 8.8

Red Hat Security Advisory: Red Hat Product OCP Tools 4.14 OpenShift Jenkins security update

Record
RHSA-2024:3634
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2024:3635 8.8

Red Hat Security Advisory: Red Hat Product OCP Tools 4.12 Openshift Jenkins security update

Record
RHSA-2024:3635
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2024:3636 8.8

Red Hat Security Advisory: Red Hat Product OCP Tools 4.13 OpenShift Jenkins security update

Record
RHSA-2024:3636
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2024:4597 8.8

Red Hat Security Advisory: Red Hat Product OCP Tools 4.15 OpenShift Jenkins security update

Record
RHSA-2024:4597
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2024:8886 8.8

Red Hat Security Advisory: Red Hat Product OCP Tools 4.12 Openshift Jenkins security update

Record
RHSA-2024:8886
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.jenkins-ci.plugins:script-security
Maven
 before 1336.vf33a
1336.vf33a
org.jenkins-ci.plugins:script-security
Maven
 before 1336.vf33a, plus listed versions
1.01.0-beta-11.0-beta-21.0-beta-31.0-beta-4
Show 45 moreShow less
1.0-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
1336.vf33a
jenkins
Red Hat:ocp_tools:4.14::el8
From an advisory covering 8 CVEs
 before 0:2.440.3.1716387933-3.el8
0:2.440.3.1716387933-3.el8
jenkins-2-plugins
Red Hat:ocp_tools:4.14::el8
From an advisory covering 8 CVEs
 before 0:4.14.1716388016-1.el8
0:4.14.1716388016-1.el8
jenkins
Red Hat:ocp_tools:4.12::el8
From an advisory covering 8 CVEs
 before 0:2.440.3.1716445200-3.el8
0:2.440.3.1716445200-3.el8
jenkins-2-plugins
Red Hat:ocp_tools:4.12::el8
From an advisory covering 8 CVEs
 before 0:4.12.1716445211-1.el8
0:4.12.1716445211-1.el8
jenkins
Red Hat:ocp_tools:4.13::el8
From an advisory covering 8 CVEs
 before 0:2.440.3.1716445150-3.el8
0:2.440.3.1716445150-3.el8
jenkins-2-plugins
Red Hat:ocp_tools:4.13::el8
From an advisory covering 8 CVEs
 before 0:4.13.1716445207-1.el8
0:4.13.1716445207-1.el8
jenkins
Red Hat:ocp_tools:4.15::el8
From an advisory covering 9 CVEs
 before 0:2.440.3.1718879390-3.el8
0:2.440.3.1718879390-3.el8
jenkins-2-plugins
Red Hat:ocp_tools:4.15::el8
From an advisory covering 9 CVEs
 before 0:4.15.1718879538-1.el8
0:4.15.1718879538-1.el8
jenkins
Red Hat:ocp_tools:4.12::el8
From an advisory covering 5 CVEs
 before 0:2.462.3.1730119132-3.el8
0:2.462.3.1730119132-3.el8
jenkins-2-plugins
Red Hat:ocp_tools:4.12::el8
From an advisory covering 5 CVEs
 before 0:4.12.1730119231-1.el8
0:4.12.1730119231-1.el8

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubMXWXZ/CVE-2024-341442024-07-29

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-34144 is a critical vulnerability (CVSS 9.8) in Jenkins Script Security, published May 2, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 48.4%, the 98th percentile. Fixed in org.jenkins-ci.plugins:script-security 1336.vf33a.

References

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