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CVE-2026-84841

tsi-coop tsi-dpdp-cms client-side enforcement of server-side security

HIGH
7.3
CVSS Score
Published: September 2, 2026 at 06:45 PM UTC
Updated: September 5, 2026 at 01:16 AM UTC
1 product affected across 1 vendorTsi Dpdp CMS

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Severity
HIGH7.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tsi Dpdp CMS· Tsi Coop
60%
0.10.20.30.40.5.0
Vendor states this is fixed in 0.5.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/398083
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/398083/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-84841
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/885661
Exploit
Source: cverecord
https://github.com/mano257200/TSI-DPDP-CMS-Client-Side-Only-Authentication-Allows-Complete-Bypass-via-Direct-HTTP-Request/blob/main/README.md
Related
Source: cverecord
https://github.com/tsi-coop/tsi-dpdp-cms/blob/main/docs/security-fixes/1.md
Patch
Source: cverecord
https://github.com/tsi-coop/tsi-dpdp-cms/releases/tag/v0.5.1
Product
Source: cverecord
https://github.com/tsi-coop/tsi-dpdp-cms/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-602

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