# expr-eval (npm) vulnerabilities

3 known vulnerabilities (3 critical), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2.0.2 (Sep 28, 2019): affected by 3 advisories
- Newest unaffected release: Every release is affected by at least one advisory
- Weekly downloads: 542.2K
- Dependents: 2,321
- Releases: 17 since 0.9.0 (Sep 14, 2016)
- Registry: https://www.npmjs.com/package/expr-eval
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-12866: 0.9.0 to 2.0.2 (through the newest release)
- CVE-2025-13204: 0.9.0 to 2.0.2 (through the newest release)
- CVE-2025-12735: 0.9.0 to 2.0.2 (through the newest release)

## Advisories (3)

### [CVE-2026-12866](https://cve.now/CVE-2026-12866): All versions of the package expr-eval are vulnerable to Code Execution via the toJSFunction() API.

- Severity: Critical 9.2
- Published: Jun 23, 2026
- Affected: through 2.0.2.
- No fix released. The latest release, 2.0.2, is still affected.
- 100% of expr-eval downloads last week were affected versions (807.7K).

### [CVE-2025-13204](https://cve.now/CVE-2025-13204): CVE-2025-13204

- Severity: Critical 9.8
- Published: Nov 14, 2025
- Affected: through 2.0.2.
- No fix released. The latest release, 2.0.2, is still affected.
- 100% of expr-eval downloads last week were affected versions (807.7K).

### [CVE-2025-12735](https://cve.now/CVE-2025-12735): CVE-2025-12735

- Severity: Critical 9.8
- Published: Nov 5, 2025
- Affected: through 2.0.2.
- No fix released. The latest release, 2.0.2, is still affected.
- 100% of expr-eval downloads last week were affected versions (807.7K).

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