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vSolution Matrix CVE-2026-59107

| EUVDEUVD-2026-109828 CRITICAL
Only Filtering Special Elements at an Absolute Position (CWE-797)
2026-10-26 ENISA GHSA-x267-47cw-28j3
9.2
CVSS 4.0 · Vendor: ENISA
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Attack ChainAIDerived

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

  1. Access
    Obtain shared private key
  2. Exploit
    Connect via SSH to master station
  3. Execution
    Authenticate as root using key
  4. Impact
    Full device compromise

Vulnerability Assessment

Weakness
CWE
Exploitation Conditions

Exploitation requires that the target device be configured specifically as a vSolution Matrix main/master station AND that the file sharing feature be enabled - this is not a default state, which materially limits the exposed population. The attacker must additionally obtain the matching private key from the shared cryptographic trust configuration before authenticating; this key-acquisition prerequisite is what CVSS 4.0 encodes as AT:P. Given PR:N and UI:N in the supplied vector, no legitimate device credentials or victim interaction are needed once the key is held, and access is achieved remotely over SSH as root. The shared nature of the trust means a single recovered key may be reusable across multiple affected master stations.

Impact

Multiple signals converge on high priority. The vuln.today decision label is act_now, and the vendor-supplied CVSS 4.0 base score is 9.2 (Critical) with network vector (AV:N), low attack complexity (AC:L), no privileges (PR:N), no user interaction (UI:N), and full confidentiality/integrity/availability impact on the vulnerable system (VC:H/VI:H/VA:H) - consistent with SSH access as root. The one tempering metric is AT:P (Attack Requirements: Present), which reflects the description's prerequisite that the attacker first obtain the matching private key from the shared cryptographic trust configuration, and the fact that only devices configured as a vSolution Matrix main/master station with file sharing enabled are affected. Key data is MISSING and should be stated plainly: no EPSS exploitation-probability score is provided, the CVE is NOT listed in CISA KEV in the supplied data, and no proof-of-concept or exploit reference is present - only a WolfVision vendor advisory. So despite the act_now label and Critical score, there is no evidence of active exploitation or public exploit code at time of analysis; the urgency rests on the severity of outcome (unauthenticated root) and the shared-key design flaw rather than on observed attacks. Note also that the input Tags characterize this as 'Information Disclosure,' which understates the impact - successful exploitation yields root SSH access (full device compromise), not merely disclosure.

Exploit ScenarioDerived

An attacker who extracts or otherwise obtains the shared private key corresponding to the device's cryptographic trust configuration connects over the network via SSH to a device acting as a vSolution Matrix main/master station with file sharing enabled, and authenticates directly as root. No public exploit code is identified at time of analysis; because the trust is shared, one recovered key may unlock multiple affected devices, though the attack requires that key to be obtained first (CVSS AT:P).

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 26, 2026

Root-level SSH access to WolfVision vSolution Matrix appliances can be obtained by anyone holding the private key that matches the product's shared cryptographic trust configuration, allowing authentication as root on affected devices. Only devices configured as a vSolution Matrix main/master station with the file sharing feature enabled are in scope, so the exposed population is a non-default subset rather than every deployment; the CVSS 4.0 vector (9.2) marks PR:N and UI:N, meaning no legitimate credentials or victim interaction are required once the key is in hand, while AT:P reflects that the key must first be acquired. No public exploit code or confirmed active exploitation appears in the supplied intelligence, but the vuln.today decision label is act_now and the shared nature of the trust material means one recovered key can potentially be replayed against multiple affected master stations.

RemediationAI

No fixed build number is identified in the supplied data, so the vendor advisory at https://wolfvision.com/de/security/cve-2026-59107-1 must be consulted for the patched release and upgrade path, and the record carries an act_now priority, so treat remediation as urgent rather than routine. Because exposure is bounded by configuration, an immediate compensating measure is to disable the file sharing feature and, where the device does not need to act as the vSolution Matrix main/master station, remove that role - the trade-off is loss of the file sharing capability and, for role changes, loss of the central management function for that site. Given that the trust configuration is shared, a single recovered private key may be reusable across every affected master station, so treat key material as compromised-prone, plan replacement of the shared trust material in line with vendor guidance, and audit SSH authentication logs for unexpected root logins on all devices in that configuration. Restricting management and SSH reachability to a dedicated administrative network segment reduces the attack surface for key-based logins, at the cost of additional network segmentation work and potential loss of remote management convenience; none of these compensating controls substitutes for the vendor fix, which should be applied as soon as the advisory identifies it.

Affected VersionsENISA

Cynap, Cynap Core 0
Cynap Pro, Cynap Core Pro 0 <1.78a

Affected Packages

euvd cynap_pro_cynap_core_pro fix: 1.78a

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The flaw sits in the file sharing feature of vSolution Matrix and stems from a cryptographic trust configuration that is shared rather than unique per device, so possession of the matching private key is sufficient to satisfy SSH authentication and land a root shell on the appliance. The record is tagged CWE-797, though the mechanism described - reusable, centrally shared key material backing an administrative trust relationship - is closer to the hard-coded/shared cryptographic key family (CWE-321/CWE-798) than to the filtering class CWE-797 nominally denotes; the assigned CWE should therefore be treated as the registry label rather than a precise root-cause description. CVSS 4.0's AT:P metric is the formal encoding of the key-acquisition prerequisite, and it is the main reason the 4.0 score of 9.2 sits alongside an independently assessed CVSS 3.1 vector of AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H, which agrees on remote, unauthenticated reach and total loss of confidentiality, integrity and availability once the prerequisite is met. The supplied CPE strings reference wolfvision:cynap, cynap_core, cynap_pro and cynap_core_pro with wildcard versions and no version ranges, which does not align with the vSolution Matrix product named in the description; the linked vendor advisory is the authoritative source for the exact affected model and build list.

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Severity by source

Vendor (ENISA) PRIMARY 9.2 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
vuln.today AI 8.1 HIGH

Remote SSH (AV:N) with no legitimate privileges (PR:N) yields root (C/I/A:H); AC:H because the attacker must first obtain the shared private key, a precondition beyond direct control.

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

Primary rating from Vendor (ENISA).

CVSS VectorVendor: ENISA

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

Lifecycle Timeline

2
Patch available
Oct 26, 2026 - 15:17 EUVD
CVE Published
Oct 26, 2026 - 13:33 cve.org
CRITICAL 9.2

DescriptionCVE.org

A security vulnerability has been identified in the vSolution Matrix file sharing feature. A shared cryptographic trust configuration could allow an attacker who obtains the matching private key to authenticate to an affected device via SSH as root. This vulnerability affects only devices configured as a vSolution Matrix main/master station with the file sharing feature enabled.

Executive ViewAI

Why It Matters

CVE-2026-59107 is a critical vulnerability in WolfVision vSolution Matrix appliances that could allow unauthenticated root-level SSH access to a specific subset of devices: those configured as main/master stations with file sharing enabled. The shared cryptographic trust configuration means a single compromised key may grant access to multiple appliances, potentially exposing sensitive data and network access. Leadership should prioritize this given the potential for lateral movement and data breaches if the key is obtained.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; interim mitigations include restricting SSH access to trusted networks, monitoring for unauthorized access, disabling file sharing on master stations if feasible, and rotating shared cryptographic keys.

Threat Intelligence Overview

EPSS Score
0.4%
Top 71% exploitable
Prevalence
Low
niche AV collaboration appliance vendor, limited enterprise footprint
Data Quality
3 sources
Confidence: Low

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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.4%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
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· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
High

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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