Exploitation ongoing with high activity in latest observed window (1 mentions)
Recommended action window: Immediate (within 24h)
NVD description
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.
Priority
LOW
Exploitation
ACTIVE
PoC
NONE
Patch
NONE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
| Date | Total | Labels |
|---|
| 2026-03-02 | 1 | Disclosure1 |
| 2026-03-03 | 1 | Active Exploitation1 |
Our CTI team identified a lot of activities targeting thinkgem JeeSite (CVE-2026-3405) https://vuldb.com/?ctiid.348300
Post summary
CTI team reports widespread activity targeting thinkgem JeeSite CVE-2026-3405, indicating active exploitation in the wild.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-3405 - thinkgem JeeSite Connection path traversal Intel Report: https://ift.tt/SGInkX9
Post summary
A threat alert cites CVE-2026-3405, a path traversal flaw in thinkgem JeeSite Connection, and links to an Intel report for further details.
1 of 1 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | jeesite | jeesite | - | - | - |