How serious is CVE-2026-3405?

This vulnerability has a CVSS score of 2.3 out of 10, classified as LOW severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-3405?

Yes, proof-of-concept exploit code for CVE-2026-3405 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-3405?

CVE-2026-3405 affects jeesite jeesite. Check the full CVE details for specific version information.

How do I fix CVE-2026-3405?

To remediate CVE-2026-3405, check for security patches from jeesite. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-3405

Low

|2.3

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to access files on the server that they shouldn't be able to reach, potentially exposing sensitive information. However, exploiting this flaw is difficult and requires a specific setup, making it less likely for most attackers to succeed.

Technical 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.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

CVSS: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

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$332($100-$500)

Vendor Response

Grade APatched in 1 day

Quick Information

Published

Mar 2, 2026

about 1 month ago

Last Modified

Mar 3, 2026

about 1 month ago

Vendor

jeesite

Product

jeesite