---
id: CVE-2026-116066
title: >-
  Firecrawl before 2.11.586 SSRF Protection Bypass via DNS Rebinding in
  Playwright Service
summary: >-
  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 ca…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-918
vendor: Firecrawl
product: Firecrawl
affected:
  - Firecrawl < 2.11.586
published: '2026-10-25'
updated: '2026-10-25'
sourceUpdated: '2026-10-25T11:50:55.818Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116066'
references:
  - url: 'https://github.com/firecrawl/firecrawl/issues/5256'
    label: 'GitHub Issue #5256'
  - url: 'https://github.com/firecrawl/firecrawl'
  - url: >-
      https://github.com/firecrawl/firecrawl/blob/5c198a7d9376fef21a7f6d74313fc957842744ad/apps/playwright-service-ts/api.ts#L47-L117
  - url: >-
      https://github.com/firecrawl/firecrawl/commit/5e74ff37b41ac650d6bccff170a9be0a6decb946
  - url: >-
      https://www.vulncheck.com/advisories/firecrawl-before-2.11.586-ssrf-protection-bypass-via-dns-rebinding-in-playwright-service
    label: >-
      VulnCheck Advisory: Firecrawl before 2.11.586 SSRF Protection Bypass via
      DNS Rebinding in Playwright Service
tags:
  - cve.org
ingestedAt: '2026-10-25T22:08:29.959Z'
---

## Overview

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.

## Affected

- `Firecrawl < 2.11.586`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.