Medium severity5.3NVD Advisory· Published Oct 12, 2026

CVE-2026-109239

Description

Crawl4AI before 0.9.4 contains a blind server-side request forgery vulnerability in RobotsParser.can_fetch that lets unauthenticated attackers bypass Docker server egress controls. Attackers can enable check_robots_txt and use redirects or DNS rebinding to reach internal, loopback, or cloud-metadata addresses for service discovery.

Affected products

Unclecode/Crawl4aillm-fuzzy
Range: <0.9.4

Patches

Vulnerability mechanics

References

github.com/unclecode/crawl4ai/security/advisories/GHSA-f77g-77vp-r96vnvd
www.vulncheck.com/advisories/crawl4ai-before-0.9.4-blind-ssrf-via-robotsparser-can-fetch-robots-txt-fetchnvd

News mentions

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000