๐Ÿ” CVE Alert

CVE-2026-109239

MEDIUM 5.3

Crawl4AI before 0.9.4 Blind SSRF via RobotsParser.can_fetch robots.txt Fetch

CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-918
Vendor unclecode
Product crawl4ai
Published Oct 12, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

unclecode / crawl4ai
0 < 0.9.4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f77g-77vp-r96v vulncheck.com: https://www.vulncheck.com/advisories/crawl4ai-before-0.9.4-blind-ssrf-via-robotsparser-can-fetch-robots-txt-fetch

Credits

๐Ÿ” arpe1618