CVE-2026-109239CWE-918ssrf

CVE-2026-109239

Medium · published October 12, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
17.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.9 · 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
EPSS
0.00265 · 17.4th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-10-12T21:17Z
References (2)
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f77g-77vp-r96v · [email protected]https://www.vulncheck.com/advisories/crawl4ai-before-0.9.4-blind-ssrf-via-robotsparser-can-fetch-robots-txt-fetch · [email protected]
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 16:04Z
    Crawl4AI before 0.9.4 Blind SSRF via RobotsParser.can_fetch robots.txt Fetch
    cvelistv5
  • 12 OCT 16:04Z
    Crawl4AI before 0.9.4 Blind SSRF via RobotsParser.can_fetch robots.txt Fetch
    cvelistv5