CVE-2026-109239

medium

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.

References

https://www.vulncheck.com/advisories/crawl4ai-before-0.9.4-blind-ssrf-via-robotsparser-can-fetch-robots-txt-fetch

https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f77g-77vp-r96v

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97683

Details

Source: Mitre, NVD

Published: 2026-10-12

Updated: 2026-10-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Medium

CVSS v4

Base Score: 6.9

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

Severity: Medium

EPSS

EPSS: 0.00265