What is CVE-2026-11437?

CVE-2026-11437 is a high-severity vulnerability in Perfree Go-fastdfs-web, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.3/10. Published 2026-06-06.

How severe is CVE-2026-11437?

High severity. CVSS v3 base score is 7.3 out of 10.

SSRF in Perfree Go-fastdfs-web

CVE-2026-11437

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. Th…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Perfree Go-fastdfs-web — versions 1.3.0, 1.3.1, 1.3.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-11437?: CVE-2026-11437 is a high-severity vulnerability in Perfree Go-fastdfs-web, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.3/10. Published 2026-06-06.
How severe is CVE-2026-11437?: High severity. CVSS v3 base score is 7.3 out of 10.