CVE-2026-115508 Crawl4AI 0.7.0 before 0.9.5 ReDoS via /crawl Regex Fields
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-115508?
CVE-2026-115508 is a high-severity vulnerability in unclecode crawl4ai, published on 22 Oct 2026.
Official 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.
Weakness: CWE-1333
Which versions are affected by CVE-2026-115508?
How do I fix CVE-2026-115508?
No fix has been published for CVE-2026-115508 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-115508 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-115508 exists.
Sources
Also known as GHSA-j843-8p47-rhxp, GHSA-q4c3-mqc5-j3m8.