Critical severity9.8NVD Advisory· Published Jun 21, 2026· Updated Jun 26, 2026
CVE-2026-56265
CVE-2026-56265
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-8qrg-7j2f-rf2hghsaADVISORY
- github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfgnvdMitigationVendor Advisory
- www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-keynvdThird Party Advisory
- github.com/unclecode/crawl4ai/releases/tag/v0.8.7ghsa
- nvd.nist.gov/vuln/detail/CVE-2026-56265ghsa
News mentions
1- Unclecode Crawl4AI: Five CVEs Disclosed Together Reveal Auth Bypass, SSRF, and XSS FlawsVypr Intelligence · Jun 24, 2026