CVE-2026-116066

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

MEDIUM
6.8
CVSS Score
Published: October 25, 2026 at 11:50 AM UTC
Updated: October 29, 2026 at 08:17 PM UTC
1 product affected across 1 vendorFirecrawl

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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