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Soup Sieve: Polynomial-time ReDoS (O(n²)) in the whitespace/comment trimming regex `RE_WS_END` (triggers on VALID selectors)

🗓️ 01 Oct 2026 16:38:33Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 4 Views

Polynomial-time ReDoS in Soup Sieve's RE_WS_END regex during selector trimming.

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01 Oct 2026 17:10Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.15.3
EPSS0.00609
SSVC
4