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CVE-2026-73646 PostCSS: Path Traversal in Previous Source Map Auto-Loading (sourceMappingURL) leads to Arbitrary .map File Disclosure

🗓️ 17 Aug 2026 15:35:13Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 17 Views

PostCSS before 8.5.18 allows path traversal via sourceMappingURL to disclose arbitrary .map files.

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19 Aug 2026 03:48Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
17