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npm expr-eval-fork vulnerabilities

2 published CVES affecting npm expr-eval-fork, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
2
Critical
2
High
0
Medium
0
Low
0
Unscored
0
CISA KEV
0

Latest npm expr-eval-fork CVEs

Newest publication first

  1. CVE-2025-13204 CVE-2025-13204

    Published
    CriticalCVSS 9.8 EPSS 0.85%

    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.

  2. CVE-2025-12735 CVE-2025-12735

    Published
    CriticalCVSS 9.8 EPSS 1.8%

    The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted context object or use MEMBER of the context object...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.