What is the CVSS score of CVE-2026-26235?

CVE-2026-26235 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2026-26235?

Yes, a public proof-of-concept exploit is available for CVE-2026-26235. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2026-26235?

Within 24 hours: Inventory all JUNG Smart Visu Server 1.1.1050 instances and restrict network access to trusted sources only. Within 7 days: Implement network-level controls (WAF rules, firewall policies) to block POST requests to reboot endpoints, and disable remote management features if operationally feasible. Within 30 days: Contact JUNG for patched version availability and develop upgrade timeline, or evaluate alternative solutions if patch timeline is unacceptable.

Smart Visu Server Firmware CVE-2026-26235

HIGH

Missing Authentication for Critical Function (CWE-306)

2026-02-12 disclosure@vulncheck.com

Denial Of Service Smart Visu Server Firmware Jung Group

7.5

CVSS 3.1 · NVD

View

Attack ChainAIDerived

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

Access

Craft malicious POST request
Exploit

Send to JUNG Smart Visu Server endpoint
Execution

Trigger unauthenticated reboot function
Impact

Server becomes unavailable

Vulnerability Assessment

Weakness	CWE CWE-306 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. Sign in to read
Exploitation Conditions	No special conditions — remote unauthenticated exploitation against JUNG Smart Visu Server 1.1.1050 with default configurations accepting POST requests to reboot endpoints.
Impact	CVSS 7.5 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitation no authentication required. Exploitable via remote/network. Public exploit/POC available.
Exploit ScenarioDerived	A remote attacker without authentication could exploit this vulnerability to remotely shutdown or reboot the server.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

JUNG Smart Visu Server 1.1.1050 can be forcibly shut down or rebooted by unauthenticated remote attackers through a single POST request, causing service disruption. Public exploit code exists for this denial of service vulnerability, and no patch is currently available to address the authentication bypass.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 22:02 CVSS 7.5

JUNG Smart Visu Server 1.1.1050 contains a denial of service vulnerability that allows unauthenticated attackers to remotely shutdown or reboot the server. Attackers can send a single POST request to trigger the server reboot without requiring any authentication. [CVSS 7.5 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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

Technical ContextAI · show details

Classified as CWE-306 (Missing Authentication for Critical Function). Affects Smart Visu Server Firmware. JUNG Smart Visu Server 1.1.1050 contains a denial of service vulnerability that allows unauthenticated attackers to remotely shutdown or reboot the server. Attackers can send a single POST request to trigger the server reboot without requiring any authentication.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

PoC Detected

Feb 20, 2026 - 19:52 vuln.today

Public exploit code

CVE Published

Feb 12, 2026 - 04:15 nvd

HIGH 7.5

DescriptionCVE.org

Executive ViewAI

Why It Matters

JUNG Smart Visu Server installations are vulnerable to unauthenticated denial of service attacks that can remotely shutdown or reboot systems without warning. This impacts operational continuity for any organization running this software, with active public exploits available and no vendor patch currently available.

Business Impact: High

Compensating Controls

Implement network segmentation to restrict access to Visu Server management interfaces; deploy WAF rules to block POST requests to known reboot endpoints (/shutdown, /reboot); disable remote management features if not operationally required; implement strict ingress firewall rules limiting access to authorized administrative networks only; enable detailed logging and alerting for POST requests to the server.

Threat Intelligence Overview

EPSS Score

0.3%

Top 52% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

Exploit-DB

VulDB

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 Yes

EPSS 0.3%

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.