npm/@brikcss/merge CVE-2026-6594: high 7.3, EPSS 0.34%
Deep Merge is Vulnerable to Prototype Pollution Through Lack of Sanitization
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 1.3.1 |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-3jc6-6r48-v6qf
- https://nvd.nist.gov/vuln/detail/CVE-2026-6594
- https://github.com/brikcss/merge
- https://github.com/sudo-secure/security-research/blob/main/brikcss-merge/prototype-pollution/PoC.md
- https://vuldb.com/submit/791805
- https://vuldb.com/vuln/358229
- https://vuldb.com/vuln/358229/cti
CVE-2026-6594 · published · modified · JSON