PoC Index85,092 CVEs with PoCs

CVE-2026-11437

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

MEDIUM 5.5EPSS 0.4%

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
perfree · go-fastdfs-web
CVSS v4.0 VULDB
5.5 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 VULDB
7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v2.0 VULDB
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
0.41% chance of exploitation in the next 30 days, 34th percentile
Published
2026-06-06
Updated
2026-06-08

Proof-of-concept exploits (1)

References