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Data Management Center EUVDEUVD-2026-63792

| CVE-2026-76157 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-08-21 ZUSO ART GHSA-fgmq-h6gh-p5x7
8.8
CVSS 4.0 · Vendor: ZUSO ART
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Identify exposed upload API endpoint
  2. Delivery
    Send unauthenticated multipart POST request
  3. Exploit
    Server writes arbitrary file to upload directory
  4. Execution
    Request uploaded web shell or payload
  5. Impact
    Execute commands as web server process

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

No special conditions are required for exploitation beyond network connectivity to the upload API endpoint. The CVSS vector PR:N/AV:N/AC:L/AT:N/UI:N confirms unauthenticated remote exploitation against default configurations of Data Management Center v8.3.0-v8.5.1. No specific feature toggle, non-default configuration, or privilege escalation step is required to reach the vulnerable endpoint. Exploitation is limited by: (1) network reachability - if the management center is deployed on a non-internet-facing segment with strict ACLs, remote exploitation from untrusted networks is blocked; (2) post-upload impact depends on whether the upload directory is web-accessible and whether the server executes uploaded script types, which may vary by deployment configuration.

Impact

The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H) represents a high-priority exploit scenario: no authentication, no complexity, no user interaction, network-reachable. The corresponding CVSS 3.1 base score of 8.8 aligns with this assessment. No EPSS data was provided in the intelligence sources, so exploitation probability cannot be quantified numerically. The vulnerability is not currently listed in CISA KEV, and no public proof-of-concept has been identified. However, the attack surface is straightforward - CWE-306 flaws in HTTP APIs require only a well-formed POST request - meaning exploitation is trivially automatable once the endpoint is located. The primary limiting factor on real-world impact is deployment footprint: Datiphy is a niche vendor with unclear market penetration, reducing the overall blast radius compared to a similar flaw in a ubiquitous product. Organizations running Data Management Center v8.3.0-v8.5.1 with internet-facing or untrusted-network exposure should treat this as a critical priority regardless of KEV absence.

Exploit ScenarioDerived

An attacker with network-level access to the Data Management Center instance sends a crafted multipart/form-data HTTP POST request directly to the unauthenticated upload API endpoint, supplying an arbitrary file such as a web shell. The server accepts the file without challenging for credentials and writes it to the configured upload directory. If that directory is web-accessible and the server executes the uploaded file type, the attacker can subsequently issue HTTP requests to the uploaded file to achieve remote command execution under the web server's process identity.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 21, 2026

Unauthenticated arbitrary file upload in Datiphy Data Management Center v8.3.0 through v8.5.1 exposes the upload API endpoint without any authentication enforcement, permitting remote attackers to write arbitrary files directly to the server's configured upload directory. The root cause is CWE-306 (Missing Authentication for Critical Function), confirmed by ZUSO ART and registered as ENISA EUVD-2026-63792. The CVSS 4.0 vector scores network-accessible, zero-complexity, unauthenticated exploitation with high integrity and availability impact; no public exploit or CISA KEV listing has been identified at time of analysis.

RemediationAI

No vendor-released patch version has been identified in the available intelligence at time of analysis; consult the ZUSO ART advisory at https://zuso.ai/advisory and contact Datiphy Inc. directly for an updated release. As compensating controls until a patch is available: restrict network access to the upload API endpoint to only authenticated, trusted internal network segments using perimeter firewall or host-based ACLs - this directly eliminates the unauthenticated remote attack vector with no application-side trade-offs. Deploy a WAF rule to block unauthenticated POST requests to the upload API path, though WAF bypass via non-standard encoding is a known risk. Additionally, configure the upload directory to be non-web-accessible and disable server-side execution of uploaded file types (e.g., PHP, JSP, ASPX) to limit post-upload exploitation even if the flaw is triggered. Monitor upload directory contents and file creation events for anomalous activity as a detective control.

Affected VersionsENISA

Data Management Center v8.3.0 ≤v8.5.1

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Technical ContextAI · show details

CWE-306 (Missing Authentication for Critical Function) describes a flaw where a security-critical operation - in this case the file upload API endpoint - is exposed without requiring any identity verification from the requesting client. Datiphy Data Management Center (CPE: cpe:2.3:a:datiphy_inc.:data_management_center:*:*:*:*:*:*:*:*) is a data management platform; its upload API is a privileged operation that should enforce authentication before accepting files. The absence of this gate means any network-reachable client can invoke the endpoint and place arbitrary file content into the server's configured upload directory. Depending on server configuration, uploaded files may be executable or may overwrite existing application or OS files, escalating the impact beyond simple storage abuse.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (ZUSO ART) PRIMARY 8.8 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
vuln.today AI 9.1 CRITICAL

No authentication enforced on network-accessible upload API (PR:N, AV:N); arbitrary file write yields high integrity and availability impact with no confidentiality breach.

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

Primary rating from Vendor (ZUSO ART).

CVSS VectorVendor: ZUSO ART

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

Missing authentication for a critical function in the upload API endpoint of Datiphy Data Management Center from v8.3.0 through v8.5.1 allows an unauthenticated remote attacker to upload arbitrary files to the server's configured upload directory.

Executive ViewAI

Why It Matters

Datiphy Data Management Center versions 8.3.0 through 8.5.1 contain a critical authentication bypass allowing unauthenticated remote attackers to upload arbitrary files directly to the server, potentially enabling code execution or data exfiltration. Any organization running these versions faces immediate risk of unauthorized system compromise without any patch currently available from the vendor. Urgent action is required to identify affected systems and implement interim controls.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: restrict upload endpoint access via firewall rules or network segmentation; disable upload functionality if operationally feasible; implement WAF rate-limiting and authentication enforcement rules on upload requests; enable detailed logging of upload activity; monitor upload directories for suspicious files; implement application-level file validation if accessible to operations.

Threat Intelligence Overview

EPSS Score
0.4%
Top 65% exploitable
Prevalence
Low
niche data management vendor, limited public deployment footprint
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
High
Technical Impact
Total

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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