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CVE-2026-56265criticalCWE-798

Crawl4AI - Authentication Bypass via Hardcoded JWT Signing Key

43Vexday Risk Score

Patch soon. It has a working public exploit.

ssvc Attendcvss 9.3epss 2.6%
exploitation probability
2.6%top 15% of all CVEs
observed exploitation
nono source reports it
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Crawl4AI · Crawl4AI