ts-fns has prototype pollution vulnerability

Description

A prototype pollution vulnerability exists in the ts-fns package versions prior to 13.0.7, where insufficient validation of user-provided keys in the assign function allows attackers to manipulate the Object.prototype chain.

Recommendation

No fix is available yet. Followings are affected versions:

• <= 13.1.3

References

• GHSA-g7wq-wggw-vmhg
• CVE-2025-57351
• CWE-1321
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Lodash has Prototype Pollution Vulnerability in `_.unset` and `_.omit` functions - lodash-amd - CVE-2025-13465
• Lodash has Prototype Pollution Vulnerability in `_.unset` and `_.omit` functions - lodash-es - CVE-2025-13465
• Lodash has Prototype Pollution Vulnerability in `_.unset` and `_.omit` functions - lodash.unset - CVE-2025-13465
• Lodash has Prototype Pollution Vulnerability in `_.unset` and `_.omit` functions - CVE-2025-13465

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Tags:

npm

ts-fns