CVE-2025-13465 - CVE House
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Status published Medium CVE-2025-13465

Prototype Pollution Vulnerability in Lodash _.unset and _.omit functions

Vulnerability Description

Lodash versions 4.0.0 through 4.17.22 are vulnerable to prototype pollution in the _.unset and _.omit functions. An attacker can pass crafted paths which cause Lodash to delete methods from global prototypes. The issue permits deletion of properties but does not allow overwriting their original behavior. This issue is patched on 4.17.23

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Lukas Euler
  • Jordan Harband
  • Michał Lipiński
  • Ulises Gascón

References

Affected Vendor

Affected Software

Lodash, Lodash-amd, lodash-es, lodash.unset
Vulnerable Versions:
4.0.0

Timeline

Official Publish: January 21st, 2026
Last Modified: July 16th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-1321

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.