CVE-2026-56261

Crawl4AI - Server-Side Request Forgery via Webhook URLs

State: Published
Severity: 9.2 Critical
Published: Jul 10, 2026
Updated: Jul 14, 2026
Reserved: Jun 19, 2026

Description

Crawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs pointing to private or internal IP ranges, Docker networks, or cloud metadata endpoints (e.g. 169.254.169.254), causing the server to make requests to internal services and potentially expose cloud metadata.

Scores

CVSS	Score	Vector	Source
4.0	9.2 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N	VulnCheck
3.1	8.6 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N	VulnCheck

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
Crawl4AICrawl4AI	before 0.8.7Affected 0.8.7Not affected

References

https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfgvendor-advisory
https://github.com/unclecode/crawl4aiproduct
VulnCheck Advisory: Crawl4AI - Server-Side Request Forgery via Webhook URLsthird-party-advisory

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