Critical severity · published Jul 12, 2026
CVE-2026-56260
Crawl4AI - Arbitrary File Write via output_path Parameter
9.1
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
Crawl4AI · Crawl4AI
before 0.8.7 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56260
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56260
Product
https://github.com/unclecode/crawl4ai
Vendor Advisory
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg
Third Party Advisory
https://www.vulncheck.com/advisories/crawl4ai-arbitrary-file-write-via-output-path-parameter
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