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6.9
Brikcss Merge (up to 1.3.0) Allows Remote Attackers to Modify Object Attributes
CVE-2026-6594
Summary
A security issue in Brikcss Merge versions 1.3.0 and earlier allows hackers to remotely manipulate certain parts of the software. This could lead to unexpected behavior or compromised data. Update to the latest version of Brikcss Merge to fix this issue.
Original title
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 ...
Original description
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.
nvd CVSS2.0
7.5
nvd CVSS3.1
7.3
nvd CVSS4.0
6.9
Vulnerability type
CWE-94
Code Injection
CWE-1321
Prototype Pollution
Published: 20 Apr 2026 · Updated: 20 Apr 2026 · First seen: 20 Apr 2026