Lodash has Prototype Pollution Vulnerability in `_.unset` and `_.omit` functions (GHSA-xxjr-mmjv-4gpg) 3

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.

Recommendation

No fix is available yet. Followings are affected versions:

• >= 4.0.0, <= 4.5.2

References

• GHSA-xxjr-mmjv-4gpg
• CVE-2025-13465
• CWE-1321
• CAPEC-310
• OWASP 2021-A6

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Tags:

npm

lodash.unset