CVE-2026-109239

MediumCVSS 5.3/10Last modified Oct 16, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published
Oct 12, 2026
Last modified
Oct 16, 2026
NVD status
Deferred

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CVE-2026-109239: Medium severity, CVSS 5.3 | Vulnix