High [CVE-2026-57280] Sandbox bypass leading to arbitrary code execution
This high-severity Red Hat Linux advisory covers CVE-2026-57280 affecting OpenShift Developer Tools and Services 4.12, OpenShift Developer Tools and Services 4.13, OpenShift Developer Tools and Services 4.14.
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Summary
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.
By exploiting a failure to properly intercept implicit type casts in typed for-each loops, an attacker can invoke arbitrary constructors, potentially leading to arbitrary code execution within the Jenkins environment. Red Hat rates this as an Important vulnerability in the Jenkins Script Security Plugin.
The scope is unchanged (S:U) because the sandbox and the Jenkins controller share the same security authority — a sandbox escape executes code in the same context rather than crossing a trust boundary to a separate system. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Weakness: CWE-1287.
Affected products named by the advisory: OpenShift Developer Tools and Services 4.12; OpenShift Developer Tools and Services 4.13; OpenShift Developer Tools and Services 4.14; OpenShift Developer Tools and Services 4.15; and 7 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
- ocp-tools-4/jenkins-rhel8:1786628667
- ocp-tools-4/jenkins-rhel8:1786628681
- ocp-tools-4/jenkins-rhel8:1786533561
- ocp-tools-4/jenkins-rhel8:1786533565
- ocp-tools-4/jenkins-rhel9:1787125166
- ocp-tools-4/jenkins-rhel9:1787124635
- ocp-tools-4/jenkins-rhel9:1787125069
- ocp-tools-4/jenkins-rhel9:1787124632
- ocp-tools-4/jenkins-rhel9:1787124925
- ocp-tools-4/jenkins-rhel9:1787125311
- ocp-tools-4/jenkins-rhel9:1787124779
- RHSA-2026:60247
- RHSA-2026:60249
- RHSA-2026:60248
- RHSA-2026:60239
- RHSA-2026:60251
- RHSA-2026:60246
- RHSA-2026:60250
- RHSA-2026:60252
- RHSA-2026:60259
- RHSA-2026:60254
- RHSA-2026:60256
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
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