CVE catalog

CVE-2026-56266

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthentic

[CVE catalog]

Severity
Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.48% · Oct 25, 2026

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reach internal services and cloud metadata endpoints.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Cpecrawl4aiNot reported0.8.7fixed
Pipcrawl4aiNot reported0.8.7fixed
Cpecrawl4aiNot reported0.8.7fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Cpecrawl4aicpeNot reported0.8.7Not reportedNot reportedNot reported
Pipcrawl4aipipNot reported0.8.7Not reportedGHSA-365W-HQF6-VXFGNot reported
Cpecrawl4aicpeNot reported0.8.7Not reportedNVD-CVE-2026-56266Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References

[FIRST EPSS] · [GitHub Advisory Database] · [National Vulnerability Database (NVD)]