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 packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
crawl4aiPyPI | < 0.8.7 | 0.8.7 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-8qrg-7j2f-rf2hghsaADVISORY
- github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfgnvdMitigationVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-56265ghsaADVISORY
- www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-keynvdThird Party AdvisoryWEB
- github.com/unclecode/crawl4ai/releases/tag/v0.8.7ghsaWEB
News mentions
1- Unclecode Crawl4AI: Five CVEs Disclosed Together Reveal Auth Bypass, SSRF, and XSS FlawsVypr Intelligence · Jun 24, 2026