CVE-2026-56265

CRITICAL

Crawl4AI - Authentication Bypass via Hardcoded JWT Signing Key

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Third Party Advisory third-party-advisory
VulnCheck Advisory: Crawl4AI - Authentication Bypass via Hardcoded JWT Signing Key
https://www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-key

Scores

CVSS v3 9.8
EPSS 0.0077
EPSS Percentile 52.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-798
Status published
Products (3)
Crawl4AI/Crawl4AI < 0.8.7
Crawl4AI/Crawl4AI 0.8.7
kidocode/crawl4ai < 0.8.7
Published Jun 21, 2026
Tracked Since Jun 21, 2026