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High 8.1Published Jun 23, 2026

CVE-2026-56258Crawl4AI - Arbitrary File Write via output_path Symlink and TOCTOU

Updated under an hour ago ()

Does this affect you?

It affects Crawl4AI and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Crawl4AI before 0.8.8 contains an arbitrary file write vulnerability in the screenshot and PDF endpoints that allows unauthenticated attackers to write files outside the intended directory via symlink and time-of-check-time-of-use (TOCTOU) attacks on the output_path parameter. Remote attackers can exploit insufficient path validation and symlink following to achieve arbitrary file write and potential code execution on systems where the runtime user has write access to executable or cron locations.

CVSS
8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-22
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Analyzed
Record last updated
Jul 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Crawl4AI Crawl4AI
crawl4ai:crawl4ai (from the name)
before 0.8.8; 0.8.8 not affected
CNA record
kidocode crawl4ai
kidocode:crawl4ai
before 0.8.8
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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