CVE-2026-45623
HIGH SEVERITYCVSS Score & Metrics
Base Score
7.5 / 10
Vulnerability Description
PostCSS: Arbitrary file read and information disclosure via attacker-controlled sourceMappingURL in CSS comments
Vulnerability Details
Published Date
Last Modified
Source
GitHub
Vendor
npm
Product
postcss
External References
- https://github.com/postcss/postcss/security/advisories/GHSA-6g55-p6wh-862q
- https://github.com/postcss/postcss/commit/aaec7b78b3ce2792585b4b300ef1bd5dd5b3e8ad
- https://github.com/postcss/postcss/commit/c64b7488d2731dfa16213739b42c34faf5a9eba3
- https://github.com/postcss/postcss/releases/tag/8.5.12
- https://github.com/advisories/GHSA-6g55-p6wh-862q
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