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.
References8
- github.com/mano257200/TSI-DPDP-CMS-Client-Side-Only-Authenticat…
- github.com/tsi-coop/tsi-dpdp-cms/
- github.com/tsi-coop/tsi-dpdp-cms/blob/main/docs/security-fixes/…
- github.com/tsi-coop/tsi-dpdp-cms/releases/tag/v0.5.1
- vuldb.com/cve/CVE-2026-84841
- vuldb.com/submit/885661
- vuldb.com/vuln/398083
- vuldb.com/vuln/398083/cti
Metrics
- CVSS 3.1
-
7.3
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 4.0
-
5.5
MEDIUM
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 45 · as of 3 November 2026
- CWE
- CWE-602
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.