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8.7 High

Crawl4AI before 0.9.5 contains a denial of service vulnerability in the Docker API server where clampuntrusted() fails to cap the…

CVE-2026-119119

Crawl4AI before 0.9.5 contains a denial of service vulnerability in the Docker API server where clampuntrusted() fails to cap the delaybeforereturnhtml, meandelay, and maxrange fields of untrusted CrawlerRunConfig bodies. Unauthenticated attackers can send huge values to /crawl or /crawl/stream to hold browser pages or stall the rate limiter, exhausting the page pool and blocking other crawls.

Assessment

CVSS
8.7 (v4.0)
Severity
High
EPSS
0.36% chance of exploitation in the next 30 days
Known exploited
Not listed in CISA KEV
Exploit availability
Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published
29 October 2026
Last updated
4 November 2026
Affected
unclecode · Crawl4AI
Assigner
VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

At the source

References

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