Vulnerability DatabaseCVE-2026-116066
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CVE-2026-116066
Published:October 25, 2026
Updated:November 04, 2026
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 Packages
https://github.com/firecrawl/firecrawl.git (GITHUB):
Affected version(s) >=v2.9.0 <v2.11.586
Fix Suggestion:
Update to version v2.11.586
Related Resources (7)
https://github.com/firecrawl/firecrawl
https://nvd.nist.gov/vuln/detail/CVE-2026-116066
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116066.json
https://github.com/firecrawl/firecrawl/blob/5c198a7d9376fef21a7f6d74313fc957842744ad/apps/playwright-service-ts/api.ts#L47-L117
https://github.com/firecrawl/firecrawl/issues/5256
https://www.vulncheck.com/advisories/firecrawl-before-2.11.586-ssrf-protection-bypass-via-dns-rebinding-in-playwright-service
https://github.com/firecrawl/firecrawl/commit/5e74ff37b41ac650d6bccff170a9be0a6decb946
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CVSS v4
Base Score:
7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
LOW
Subsequent System Availability
LOW
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery
CWE-918
EPSS
Base Score:
0.28