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.
History

Tue, 23 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Crawl4ai
Crawl4ai crawl4ai
Vendors & Products Crawl4ai
Crawl4ai crawl4ai

Mon, 22 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 21 Jun 2026 15:00:00 +0000

Type Values Removed Values Added
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.
Title Crawl4AI - Authentication Bypass via Hardcoded JWT Signing Key
Weaknesses CWE-798
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-06-21T13:26:54.840Z

Updated: 2026-06-22T10:43:47.773Z

Reserved: 2026-06-20T01:42:20.615Z

Link: CVE-2026-56265

cve-icon Vulnrichment

Updated: 2026-06-22T10:43:04.969Z

cve-icon NVD

No data.

cve-icon Redhat

No data.