CVE-2026-3405: A vulnerability has been found in thinkgem JeeSite up to 5.15.1. The affected element is an unknown function of the component Connection Handler. The…

PriorityP355high8.1CVSS 3.1

AVNACHPRNUINSUCHIHAH

EPSS

0.58%

43.4th percentile

A vulnerability has been found in thinkgem JeeSite up to 5.15.1. The affected element is an unknown function of the component Connection Handler. The manipulation leads to path traversal. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
jeesite	jeesite	<= 5.15.1	—
thinkgem	jeesite	—	—
thinkgem	jeesite	—	—

CVSS provenance

nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv4.01.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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

nvdv2.02.1LOWAV:N/AC:H/Au:S/C:P/I:N/A:N

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