CVE-2026-84839

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

Not scored by EPSS

EPSS percentile

Not scored by EPSS

NVD base score

5.5 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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

NVD analysis status

Received. NVD last modified this record on 2026-09-02.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-09-02 18:15Z10 HR AGO

Last updated

2026-09-02 18:15Z10 HR AGO

Reserved

2026-09-02

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-287Improper AuthenticationClass
• CWE-306Missing Authentication for Critical FunctionBase

Data version

5.2

Document digest

53586f35ab765945956c9e40e9d08859ad1947367a9fd9be2973fa50666b63ca

• vuldb.comVDB-398081 | tsi-coop tsi-dpdp-cms Admin Console/DPO Compliance Console web.xml missing authenticationhttps://vuldb.com/vuln/398081vdb-entry
• vuldb.comVDB-398081 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/398081/ctisignaturepermissions-required
• vuldb.comCVE-2026-84839 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-84839third-party-advisory
• vuldb.comSubmit #885619 | TSI Coop TSI DPDP CMS 0.4.8 Missing Authenticationhttps://vuldb.com/submit/885619third-party-advisory
• github.comhttps://github.com/mano257200/TSI-DPDP-CMS-Missing-Authentication/blob/main/README.mdexploit
• github.comhttps://github.com/tsi-coop/tsi-dpdp-cms/blob/main/docs/security-fixes/3.mdrelated
• github.comhttps://github.com/tsi-coop/tsi-dpdp-cms/releases/tag/v0.5.1patch
• github.comhttps://github.com/tsi-coop/tsi-dpdp-cms/product