Bug 2415051 (CVE-2025-13204)

Summary: CVE-2025-13204 expr-eval: expr-eval: Prototype Pollution
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: bbrownin
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A prototype pollution flaw was found in expr-eval. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution.
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Description OSIDB Bzimport 2025-11-14 18:02:11 UTC 
npm package `expr-eval` is vulnerable to Prototype Pollution. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The npm expr-eval-fork package resolves this issue.
Comment 2 errata-xmlrpc 2026-01-06 17:13:30 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:0140 https://access.redhat.com/errata/RHSA-2026:0140