CVE-2026-84841: Client-Side Enforcement of Server-Side Security in tsi-coop tsi-dpdp-cms
Description
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.
CVSS v4.0
Score 6.9medium
Affected software
tsi-coop
tsi-dpdp-cms
cpe:2.3:a:tsi-coop:tsi-dpdp-cms:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects tsi-coop tsi-dpdp-cms versions up to 0.5.0 and involves improper enforcement of server-side security on the client side. This design flaw allows remote attackers to circumvent security controls by manipulating client-side enforcement mechanisms. The vulnerability has a CVSS 4.0 base score of 6.9, indicating a medium severity level. Public exploit code is available. The issue is fixed in version 0.5.1.
Potential Impact
The vulnerability allows remote attackers to bypass server-side security controls by exploiting client-side enforcement, potentially leading to unauthorized actions or data exposure. The CVSS score of 6.9 reflects a medium impact with no privileges or user interaction required. There are no reports of active exploitation in the wild beyond the public exploit release.
Mitigation Recommendations
Upgrade tsi-coop tsi-dpdp-cms to version 0.5.1 or later to remediate this vulnerability. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-02T11:57:05.309Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a987079acd9273b499b351c
Added to database: 09/02/2026, 18:52:41 UTC
Last enriched: 09/07/2026, 11:31:32 UTC
Last updated: 10/15/2026, 18:48:24 UTC
Views: 86
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