Description
The package ts-deepmerge before 2.0.2 are vulnerable to Prototype Pollution due to missing sanitization of the merge function.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Prototype Pollution
- CWE-1321 (opens in a new tab)All about CWE-1321 and its CVEs
Affected products
ts-deepmerge
- affected unspecified – < 2.0.2
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmts-deepmergeGHSA-7qqq-gh2f-wq76 (opens in a new tab)
References (3)
- https://security.snyk.io/vuln/SNYK-JS-TSDEEPMERGE-2959975 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/voodoocreation/ts-deepmerge/releases/tag/2.0.2 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/voodoocreation/ts-deepmerge/commit/9be5148773343c57be9de39728d6ead18eddf10b (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-7qqq-gh2f-wq76 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-25907)Record last updated .