CVE-2026-91940CWE-22path-traversal

CVE-2026-91940

High · published September 15, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
38.8
In the wild
Unconfirmed
What it is

crawl4ai before 0.9.3 contains an arbitrary file write vulnerability in PDFContentScrapingStrategy where the _filter_untrusted_fields function fails to validate untrusted configuration fields. Attackers can submit crafted config bodies with malicious image_save_dir paths to write attacker-controlled bytes into any directory accessible to the service account.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00460 · 38.8th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-15T20:17Z
References (3)
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-xpp7-j28w-2gvx · [email protected]https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-arbitrary-file-write-via-pdfcontentscrapingstrategy · [email protected]https://github.com/unclecode/crawl4ai/security/advisories/GHSA-xpp7-j28w-2gvx · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 15 SEP 15:18Z
    crawl4ai before 0.9.3 Arbitrary File Write via PDFContentScrapingStrategy
    cvelistv5