CVE-2026-91943

8.3 highEPSS 0.4%

High (8.3). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.3 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

CVSS 3.1

7.7 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2026-09-15
Modified: 2026-09-16
Record from: the NVD, synced 2026-10-19

References

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

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