high7.3
CVE-2026-54737
@phun-ky/defaults-deep is a library like lodash defaultsDeep with array preservation and no lodash dependency.
Impact
@phun-ky/defaults-deep is a library like lodash defaultsDeep with array preservation and no lodash dependency. Prior to 2.0.5, defaultsDeep() recursively merges user-supplied objects without filtering proto, constructor, and prototype, allowing properties to be written to Object.prototype. This issue is fixed in version 2.0.5.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @phun-ky/defaults-deep | < 2.0.5 | 2.0.5 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-mj3g-7xcc-x4vh
- https://github.com/phun-ky/defaults-deep/security/advisories/GHSA-mj3g-7xcc-x4vh
- https://github.com/phun-ky/defaults-deep/pull/49
- https://github.com/phun-ky/defaults-deep/commit/807dba930f8718f9126cad59d949b8fd3539b059
- https://github.com/phun-ky/defaults-deep/releases/tag/2.0.5