---
id: CVE-2026-84841
title: A security flaw has been discovered in tsi-coop tsi-dpdp-cms up to 0.5.0
summary: >-
  A security flaw has been discovered in tsi-coop tsi-dpdp-cms up to 0.5.0. This
  vulnerability affects unknown code. The manipulation results in client-side
  enforcement of server-side security. The attack can be launched remotely. The
  expl…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-602
published: '2026-09-02'
updated: '2026-09-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84841'
references:
  - url: >-
      https://github.com/mano257200/TSI-DPDP-CMS-Client-Side-Only-Authentication-Allows-Complete-Bypass-via-Direct-HTTP-Request/blob/main/README.md
    label: cna@vuldb.com
  - url: 'https://github.com/tsi-coop/tsi-dpdp-cms/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/tsi-coop/tsi-dpdp-cms/blob/main/docs/security-fixes/1.md
    label: cna@vuldb.com
  - url: 'https://github.com/tsi-coop/tsi-dpdp-cms/releases/tag/v0.5.1'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-84841'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/885661'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/398083'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/398083/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00314
epssPercentile: 0.24559
ingestedAt: '2026-09-05T20:44:35.465Z'
---

## Overview

A security flaw has been discovered in tsi-coop tsi-dpdp-cms up to 0.5.0. This vulnerability affects unknown code. The manipulation results in client-side enforcement of server-side security. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 0.5.1 is able to resolve this issue. It is recommended to upgrade the affected component.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.