GHSA-3jc6-6r48-v6qf
Suggest an improvement- Source
- https://github.com/advisories/GHSA-3jc6-6r48-v6qf
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-3jc6-6r48-v6qf/GHSA-3jc6-6r48-v6qf.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-3jc6-6r48-v6qf
- Aliases
-
- CVE-2026-6594
- Published
- 2026-04-20T03:34:41Z
- Modified
- 2026-04-23T14:32:52.527824Z
- Severity
-
- 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
- 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- Deep Merge is Vulnerable to Prototype Pollution Through Lack of Sanitization
- Details
-
A Prototype Pollution vulnerability was determined in brikcss merge up to 1.3.0. Executing a manipulation of the argument proto/constructor.prototype/prototype can lead to improperly controlled modification of object prototype attributes. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.
- Database specific
{ "github_reviewed": true, "github_reviewed_at": "2026-04-23T14:23:26Z", "cwe_ids": [ "CWE-1321", "CWE-94" ], "severity": "MODERATE", "nvd_published_at": "2026-04-20T02:16:15Z" }- References
Affected packages
npm / @brikcss/merge
Package
- Name
- @brikcss/merge
- View open source insights on deps.dev
- Purl
- pkg:npm/%40brikcss/merge