Medium severity6.5NVD Advisory· Published Oct 22, 2026
CVE-2026-115508
CVE-2026-115508
Description
Crawl4AI 0.7.0 before 0.9.5 contains an inefficient regular expression complexity vulnerability in the Docker API server that allows authenticated API clients to supply unbounded regular expressions in /crawl request bodies. Attackers can submit catastrophic-backtracking patterns via RegexExtractionStrategy.custom, RegexChunking.patterns or JsonCss, JsonXPath and JsonLxml schema regex fields against a crafted page to freeze the entire server, including /health.
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Affected products
1Patches
Vulnerability mechanics
References
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