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CVE-2026-91943

Crawl4AI before 0.9.3 SSRF via PDFContentScrapingStrategy

CVSS 4.0 8.3 HIGHCVSS 3.1 7.7 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-91943

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91943

Published

crawl4ai

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "unclecode",
                    "product": "crawl4ai",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/crawl4ai",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "0.9.3"
                        },
                        {
                            "version": "0.9.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON