GHSA-rhjm-7hj7-75fx: Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields

Published Oct 29, 2026
·
Updated

Crawl4AI before 0.9.5 contains a denial of service vulnerability in the Docker API server where clampuntrusted() fails to cap the delaybeforereturnhtml, meandelay, and maxrange fields of untrusted CrawlerRunConfig bodies. Unauthenticated attackers can send huge values to /crawl or /crawl/stream to hold browser pages or stall the rate limiter, exhausting the page pool and blocking other crawls.

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Crawl4AI to a version that resolves this vulnerability.

    Fixed in 0.9.5

Event History

Oct 29, 2026
CVE Published
via OSV·03:58 PM
Data Sourced
via OSV·03:58 PM
DescriptionSeverityWeakness

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203