What’s Vulnerable › Vulnerabilities

CVE-2022-25907: Prototype Pollution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-08-09 · updated 2026-06-17
• Weakness: CWE-1321

Description

The package ts-deepmerge before 2.0.2 are vulnerable to Prototype Pollution due to missing sanitization of the merge function.

Affected products

• Typescript Deep Merge Project Typescript Deep Merge: before 2.0.2 — fixed in 2.0.2

How to fix

Upgrade to a fixed version: Typescript Deep Merge Project Typescript Deep Merge 2.0.2. Check the vendor advisory for mitigations.

References

• https://github.com/voodoocreation/ts-deepmerge/commit/9be5148773343c57be9de39728d6ead18eddf10b
• https://github.com/voodoocreation/ts-deepmerge/releases/tag/2.0.2
• https://security.snyk.io/vuln/SNYK-JS-TSDEEPMERGE-2959975
• https://github.com/voodoocreation/ts-deepmerge/commit/9be5148773343c57be9de39728d6ead18eddf10b
• https://github.com/voodoocreation/ts-deepmerge/releases/tag/2.0.2
• https://security.snyk.io/vuln/SNYK-JS-TSDEEPMERGE-2959975

Get alerted when CVE-2022-25907 or the next vulnerability affects your stack