CVE-2026-109237 Crawl4AI - Authentication Bypass

Crawl4AI 0.9.0 before 0.9.4 contains an untrusted-config gate bypass caused by wrapping forbidden config objects in dict-type wrappers, letting non-admin API clients read secret keys and forge admin JWTs, exploit requires non-admin API access.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.32% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure, Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Upgrade to version 0.9.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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