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Advisories

Firecrawl before 2.11.586 SSRF Protection Bypass via DNS Rebinding in Playwright Service

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Severity
high
Date
Affecting

  • Firecrawl >= 0, < 2.11.586

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
7.0
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:L
Credit
George Chen
Description
Firecrawl before 2.11.586 contains a server-side request forgery vulnerability in the Playwright service SSRF proxy that allows attackers to bypass isInternalHost checks via DNS rebinding. Attackers controlling DNS for a scrape target can return a public address during validation and a private address at connect time, retrieving cloud metadata and internal resources through the scrape API.

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