CVE-2026-56260: crawl4ai Path Traversal — Fix

Description

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.

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CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS — Exploit Prediction

0.0042

Probability of exploitation

0.34%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
kidocode	crawl4ai	< 0.8.7

References

Advisories & Patches

https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg

Other References

https://github.com/unclecode/crawl4ai https://www.vulncheck.com/advisories/crawl4ai-arbitrary-file-write-via-output-path-parameter

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2026-56260? +

CVE-2026-56260 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0042, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-56260? +

CVE-2026-56260 affects products from kidocode, specifically: crawl4ai. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-56260? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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