Vulnerability · Published Jul 10, 2026 · Assigned by VulnCheck
CVE-2026-56261Crawl4AI - Server-Side Request Forgery via Webhook URLs
High 8.6
In plain English
A high-severity server-side request forgery in Crawl4AI from Crawl4AI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Crawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs pointing to private or internal IP ranges, Docker networks, or cloud metadata endpoints (e.g. 169.254.169.254), causing the server to make requests to internal services and potentially expose cloud metadata.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | crawl4ai | 0.8.7 | GHSA-365w-hqf6-vxfg |
| PyPI | crawl4ai | 0.8.7 | GHSA-8qrg-7j2f-rf2h |
| PyPI | crawl4ai | 0.8.7 | PYSEC-2026-229 |
| PyPI | crawl4ai | 0.8.7 | PYSEC-2026-230 |
| PyPI | crawl4ai | 0.8.7 | PYSEC-2026-239 |
| PyPI | crawl4ai | 0.8.7 | PYSEC-2026-3443 |
| PyPI | crawl4ai | 0.8.7 | PYSEC-2026-3449 |
| PyPI | crawl4ai | 0.8.7 | PYSEC-2026-596 |
| PyPI | crawl4ai | 0.8.7 | PYSEC-2026-798 |
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N