Cross-Site Scripting Vulnerability in Hyve5 Leantime Kanban Board
CVE-2026-94210

5.1MEDIUM

Key Information:

Vendor

Hyve5

Status
Leantime
Vendor
CVE Published:
21 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-94210?

A vulnerability has been identified in the Hyve5 Leantime Kanban Board affecting versions up to 3.9.8. This specific flaw in the function getAllGrouped located in the file app/Domain/Tickets/Services/Tickets.php allows attackers to execute cross-site scripting (XSS) attacks remotely. Successful exploitation of this vulnerability may enable threat actors to inject arbitrary scripts into the application, potentially compromising sensitive user data or session information. It is crucial for users to implement the recommended patch, identified as a30a6837b4071ac05a4f58d0e1baa2c62aa8695e, to mitigate this risk.

Affected Version(s)

Leantime 3.9.0

Leantime 3.9.1

Leantime 3.9.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-94210 - Proof of Concept

References

https://vuldb.com/vuln/408068
vdb-entrytechnical-description
https://vuldb.com/vuln/408068/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-94210
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

alvinovando-thoropass (VulDB User)
.