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PYSEC-2026-4171 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 GoogleType 
osv
 osv
🔗 osv.dev👁 11 Views

Polynomial-time ReDoS in Soup Sieve via RE_WS_END regex triggers on valid selectors.

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01 Oct 2026 17:45Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.15.3
EPSS0.00609
11