Path Traversal in Crawl4ai
CVE-2026-56260
Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The output_path parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply absolute or path-traversal values to write to any location writable by the application's user, overwriting server files and causing denial of service.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (49.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Crawl4ai — versions 0, 0.8.7
- Kidocode Crawl4ai
Weakness classification (CWE)
References
- github.com/unclecode/crawl4ai (Product, product)
- github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/crawl4ai-arbitrary-file-write-via-output-path-para… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-56260?
- CVE-2026-56260 is a critical-severity vulnerability in Crawl4ai, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-07-12.
- How severe is CVE-2026-56260?
- Critical severity. CVSS v3 base score is 9.1 out of 10.