Prototype Pollution in deepmerge-ts
deepmerge-ts is used to merge 2 or more objects respecting type information. deepmerge-ts is vulnerable to Prototype Pollution via file deepmerge.ts, function defaultMergeRecords(). A fix was released in version 4.0.2. Currently, there is no known workaround.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | deepmerge-ts | < 4.0.2 | 4.0.2 |
References
- https://github.com/RebeccaStevens/deepmerge-ts/security/advisories/GHSA-r9w3-g83q-m6hq
- https://nvd.nist.gov/vuln/detail/CVE-2022-24802
- https://github.com/RebeccaStevens/deepmerge-ts/commit/b39f1a93d9e1c3541bd2fe159fd696a16dbe1c72
- https://github.com/RebeccaStevens/deepmerge-ts/commit/d637db7e4fb2bfb113cb4bc1c85a125936d7081b
- https://github.com/RebeccaStevens/deepmerge-ts
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-1321, CWE-915- Platform
- npm
- Package
deepmerge-ts- Disclosed
- 01.04.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-r9w3-g83q-m6hq - CC BY 4.0
Vulnerability history: deepmerge-ts
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 04.2022 08.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
Disclosures per year
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 1
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Prototype Pollution in deepmerge-ts this entry
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