cve.bz

CVE-2026-56265

9.3 criticalEPSS 2.6%

Critical (9.3) in kidocode crawl4ai. EPSS 2.6% chance of exploitation in the next 30 days. Fixed in crawl4ai 0.8.7.

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.

Severity

CVSS 4.0

9.3 critical
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

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE
CWE-798
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-365w-hqf6-vxfgPyPIcrawl4ai<0.8.70.8.7
GHSA-8qrg-7j2f-rf2hPyPIcrawl4ai<0.8.70.8.7
PYSEC-2026-229PyPIcrawl4ai<0.8.70.8.7
PYSEC-2026-230PyPIcrawl4ai<0.8.70.8.7
PYSEC-2026-239PyPIcrawl4ai<0.8.70.8.7
PYSEC-2026-3443PyPIcrawl4ai<0.8.70.8.7
PYSEC-2026-3449PyPIcrawl4ai<0.8.70.8.7
PYSEC-2026-596PyPIcrawl4ai<0.8.70.8.7
PYSEC-2026-798PyPIcrawl4ai<0.8.70.8.7

References

Check your stackJSON