CVE-2026-56265: critical vulnerability in Crawl4AI
Crawl4AI - Authentication Bypass via Hardcoded JWT Signing Key
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
43Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 9.3epss 2.6%
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 · Crawl4AIRelated CVEs — Crawl4AI
In the same product, most dangerous first.
CVE-2026-56258CRITICALCrawl4AI - Arbitrary File Write via output_path Symlink and TOCTOUEPSS 0.9%CVE-2026-56262MEDIUMCrawl4AI - Unauthenticated Access to Monitor Endpoints via Docker API ServerEPSS 0.8%CVE-2026-56260HIGHCrawl4AI - Arbitrary File Write via output_path ParameterEPSS 0.6%CVE-2026-56261CRITICALCrawl4AI - Server-Side Request Forgery via Webhook URLsEPSS 0.5%CVE-2026-56264CRITICALCrawl4AI - Arbitrary JavaScript Execution via /execute_js EndpointEPSS 0.5%CVE-2026-56266CRITICALCrawl4AI - Server-Side Request Forgery via Direct Crawl EndpointsEPSS 0.5%