Missing Authentication in TSI Coop TSI DPDP CMS up to 0.5.0
CVE-2026-84840

6.9MEDIUM

Key Information:

Vendor

Tsi-coop

Status
Tsi-dpdp-cms
Vendor
CVE Published:
2 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-84840?

A vulnerability affecting TSI Coop's TSI DPDP CMS allows unauthorized access due to missing authentication in the Bootstrap Setup Endpoint component (specifically in the InterceptingFilter.java file). This flaw can be exploited remotely, potentially allowing attackers to manipulate the system without proper authentication. It is essential to upgrade to version 0.5.1 or later to secure your system from potential exploitation, as public exploits are already available.

Affected Version(s)

tsi-dpdp-cms 0.1

tsi-dpdp-cms 0.2

tsi-dpdp-cms 0.3

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-2026-84840 - Proof of Concept

References

https://vuldb.com/vuln/398082
vdb-entry
https://vuldb.com/vuln/398082/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-84840
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mahendravarman (VulDB User)
.