Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/sudo-secure/security-research/blob/main/brikcss-merge/prototy
- https://vuldb.com/submit/791805
- https://vuldb.com/vuln/358229
- https://vuldb.com/vuln/358229/cti
FAQ
What is CVE-2026-6594?
CVE-2026-6594 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 con...
How severe is CVE-2026-6594?
CVE-2026-6594 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-6594?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.