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postcss-selector-parser allows denial of service through uncontrolled AST recursion

🗓️ 26 May 2026 13:30:30Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

Uncontrolled AST recursion in postcss-selector-parser before 7.1.1 enables remote DoS.

Related
Detection
Refs
Vulners
Node
OR
postcss-selector-parserRange7.1.07.1.3npm
postcss-selector-parserRange6.1.06.1.3npm

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01 Sep 2026 15:45Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.14.3
CVSS 25
CVSS 45.3
CVSS 34.3
EPSS0.00325
SSVC
4