CVE-2026-119119 Crawl4AI - Denial of Service

Crawl4AI < 0.9.5 contains a denial of service caused by failure to cap delay_before_return_html, mean_delay, and max_range fields in untrusted CrawlerRunConfig bodies in Docker API server, letting unauthenticated attackers exhaust page pool and block crawls, exploit requires unauthenticated access to /crawl or /crawl/stream endpoints.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.36% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-770

Vendor fix

Update to version 0.9.5 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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