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CVE

CVE-2026-56266

Crawl4AI: authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server
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CVE

CVE-2026-56266

Crawl4AI: authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.2
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Related Resources

No items found.

References

https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg, https://nvd.nist.gov/vuln/detail/CVE-2026-56265, https://github.com/unclecode/crawl4ai, https://github.com/unclecode/crawl4ai/releases/tag/v0.8.7, https://www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-key

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00476%
EPSS Percentile
0.41277%
Introduced Version
0
Fix Available
0.8.7

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