# deepmerge-ts (npm) vulnerabilities

2 known vulnerabilities (2 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 8.0.2 (Aug 21, 2026): no advisory affects it
- Newest unaffected release: 8.0.2 (Aug 21, 2026), the latest release
- Weekly downloads: 30.2M
- Dependents: 4,188
- Releases: 61 since 1.0.1 (Aug 25, 2021)
- Registry: https://www.npmjs.com/package/deepmerge-ts
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-40345: 1.0.1 to 7.1.6 (8.0.0 is outside it)
- CVE-2022-24802: 1.0.1 to 4.0.1 (4.0.2 is outside it)

## Advisories (2)

### [CVE-2026-40345](https://cve.now/CVE-2026-40345): deepmerge-ts: Stack exhaustion when merging recursive object graphs

- Severity: High 8.2
- Published: Aug 20, 2026
- Affected: fixed in 8.0.0.
- Fixed in 8.0.0 (released Aug 16, 2026, 4 days before disclosure).
- The latest release, 8.0.2, is not affected.
- 48% of deepmerge-ts downloads last week were affected versions (16.7M).

### [CVE-2022-24802](https://cve.now/CVE-2022-24802): Prototype Pollution in deepmerge-ts

- Severity: High 8.1
- Published: Mar 31, 2022
- Affected: fixed in 4.0.2.
- Fixed in 4.0.2 (released Mar 31, 2022, the day of disclosure).
- The latest release, 8.0.2, is not affected.
- <0.1% of deepmerge-ts downloads last week were affected versions (3.8K).

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