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CVE-2026-55574 vLLM: ReDoS via structured_outputs.regex compiled without timeout in xgrammar and outlines backends

🗓️ 06 Jul 2026 20:05:31Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Before version 0.24.0, vLLM allows denial of service via user supplied structured outputs regex with no timeout in xgrammar and outlines backends.

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08 Jul 2026 08:13Current
5.9Medium risk
Vulners AI Score5.9
CVSS 48.7
EPSS0.00324
1