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tsi-dpdp-cms CVE-2026-84840

| EUVDEUVD-2026-70254 MEDIUM
Missing Authentication for Critical Function (CWE-306)
2026-09-02 VulDB GHSA-p9x5-3x4v-4w53
5.5
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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
vuln.today AI
8.2 HIGH

Remote unauthenticated exploitation with no complexity; super-admin takeover via bootstrap endpoint constitutes high integrity impact; partial confidentiality from console page source disclosure.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
CVSS changed
Sep 02, 2026 - 19:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
Source Code Evidence Fetched
Sep 02, 2026 - 19:08 vuln.today
Analysis Generated
Sep 02, 2026 - 19:08 vuln.today
CVE Published
Sep 02, 2026 - 18:30 cve.org
MEDIUM 6.9

DescriptionCVE.org

A vulnerability was identified in tsi-coop tsi-dpdp-cms up to 0.5.0. This affects an unknown part of the file InterceptingFilter.java of the component Bootstrap Setup Endpoint. The manipulation leads to missing authentication. The attack can be initiated remotely. The exploit is publicly available and might be used. Upgrading to version 0.5.1 is able to mitigate this issue. Upgrading the affected component is recommended.

AnalysisAI

Unauthenticated access to the first-run Super-Admin bootstrap endpoint (/api/v1/bootstrap/setup) and all 17 admin/DPO console pages in tsi-coop tsi-dpdp-cms ≤0.5.0 allows remote attackers to claim full administrative control of any fresh or reset deployment and to retrieve page source containing internal API endpoints, function names, and request schemas. The root cause is CWE-306: console pages relied solely on client-side JavaScript redirects with no server-side session gate, and the bootstrap endpoint imposed no token or expiry requirement. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Vulnerability AssessmentAI

Exploitation No special conditions are required for the bootstrap endpoint attack: the endpoint accepts unauthenticated POST requests with no token, no session, and no one-time-use guard on all versions through 0.5.0, and the impact is greatest on fresh deployments or after a configuration reset before any administrator account has been established. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 base vector (AV:N/AC:L/AT:N/PR:N/UI:N) correctly reflects zero-barrier remote exploitation with no prerequisites, but the VI:L/VA:L impact ratings appear to understate real-world consequence - the bootstrap endpoint permits an attacker to register an attacker-controlled super-admin account, which constitutes full administrative compromise rather than a low-integrity impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to tsi-dpdp-cms v0.5.1, available at https://github.com/tsi-coop/tsi-dpdp-cms/releases/tag/v0.5.1. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-84840 vulnerability details – vuln.today

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