CVE-2026-56265

CRITICAL

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.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 6/21/2026Modified: 6/26/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (4)

https://github.com/unclecode/crawl4aiProducthttps://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfgMitigationVendor Advisoryhttps://www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-keyThird Party Advisoryhttps://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfgMitigationVendor Advisory