CVE•Published 2026-03-02•Modified 2026-04-29•0 articles on news•5 live references•NVD data

CVE-2026-3404Jeesite · Jeesite

Vulnerability data via NVD (ingested)

CVSS v3.1

5.0

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS percentile

Exploit Prediction Scoring System · top 89% of all CVEs

Weaknesses (CWE)

CWE-610Externally Controlled Reference to a Resource in Another Sphere CWE-611Improper Restriction of XML External Entity Reference

Description

A flaw has been found in thinkgem JeeSite up to 5.15.1. Impacted is an unknown function of the file /com/jeesite/common/shiro/cas/CasOutHandler.java of the component Endpoint. Executing a manipulation can lead to xml external entity reference. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is considered difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Timeline

Published 2026-03-02

Modified 2026-04-29

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-3404

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Jeesite Jeesite"

All exposed Jeesite Jeesite instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Jeesite"

HTTP body or banner mentions "Jeesite" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-3404