CVE-2026-91943

HIGHCVSS 7.7

Description

Crawl4AI before 0.9.3 contains a server-side request forgery vulnerability in PDFContentScrapingStrategy where _get_pdf_path() re-downloads targets with Python requests without egress validation. Authenticated attackers can supply URLs that redirect to internal addresses or use DNS rebinding to access internal services, exfiltrating responses through PDF text extraction in crawl results.

Timeline

Published:September 15th, 2026 4:17 PM

Last modified:September 16th, 2026 8:17 PM

CVSS Scoring

CVSS v3: 7.7 (HIGH)

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

Weaknesses (CWE)

CWE-918

References & Reports

Advisories, patches, and third-party reports

https://github.com/unclecode/crawl4ai/security/advisories/GHSA-q5rj-45vw-vp2g
https://www.vulncheck.com/advisories/crawl4ai-before-0.9.3-ssrf-via-pdfcontentscrapingstrategy
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-q5rj-45vw-vp2g

Source: NIST NVD · Data may lag official sources by up to one minute