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CVE-2026-11437

perfree go-fastdfs-web Installation Endpoint checkServer server-side request forgery

HIGH
7.3
CVSS Score
Published: June 6, 2026 at 04:30 PM UTC
Updated: July 23, 2026 at 07:35 AM UTC
1 product affected across 1 vendorGo Fastdfs Web

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Severity
HIGH7.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

A flaw has been found in perfree go-fastdfs-web up to 1.3.7. Affected is the function checkServer of the file /install/checkServer of the component Installation Endpoint. Executing a manipulation can lead to server-side request forgery. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/369017
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/369017/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-11437
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/822726
Exploit
Source: cverecord
https://www.notion.so/Server-Side-Request-Forgery-SSRF-in-go-fastdfs-web-Installation-Endpoint-35aea92a3c41806485ffeeac7e18126a

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

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

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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