CVE-2026-6594
High · 7.3CVSS
7.3
EPSS
0.6%
Published
Apr 20, 2026
CISA due date
—
The record
A vulnerability was determined in brikcss merge up to 1.3.0. This affects an unknown part. 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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | @brikcss/merge | 0 | No fix |
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