CVE-2026-56265

Crawl4AI - Authentication Bypass via Hardcoded JWT Signing Key

State: Published
Severity: 9.3 Critical
Published: Jun 21, 2026
Updated: Jul 14, 2026
Reserved: Jun 20, 2026

Description

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected functionality.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-798 Use of Hard-coded Credentials

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 - Authentication Bypass via Hardcoded JWT Signing Keythird-party-advisory

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