CVE-2026-116066

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.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/firecrawl/firecrawl
https://github.com/firecrawl/firecrawl/blob/5c198a7d9376fef21a7f6d74313fc957842744ad/apps/playwright-service-ts/api.ts#L47-L117
https://github.com/firecrawl/firecrawl/commit/5e74ff37b41ac650d6bccff170a9be0a6decb946
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/issues/5256

Configurations

No configuration.

History

29 Oct 2026, 20:17

Type	Values Removed	Values Added
References	~~() https://github.com/firecrawl/firecrawl/issues/5256 -~~	() https://github.com/firecrawl/firecrawl/issues/5256 -

25 Oct 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-25 12:16

Updated : 2026-10-29 20:17

NVD link : CVE-2026-116066

Mitre link : CVE-2026-116066

CVE.ORG link : CVE-2026-116066

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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