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CVE Record

CVE-2026-26235: JUNG Smart Visu Server 1.1.1050 - 'JUNG Smart Visu Server' Missing Authentication

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.

HighCVSS 8.7Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A JUNG Smart Visu Server version 1.1.1050 can be remotely rebooted or shut down without login. This creates a denial-of-service risk for sites relying on the server for building or smart-home visualization. The public sources do not state active exploitation or a vendor fix.

Executive priority

Treat as high priority for environments where this server supports building operations or is reachable beyond a trusted network. The main business risk is service disruption, not data theft, based on current public information.

Technical view

CVE-2026-26235 is a missing authentication issue, CWE-306, in JUNG Smart Visu Server 1.1.1050. The CVSS 4.0 score is 8.7, with network access, low complexity, no privileges, and high availability impact. Public descriptions say a single unauthenticated POST request can trigger reboot or shutdown.

Likely exposure

Exposure is most relevant where JUNG Smart Visu Server 1.1.1050 is reachable over a network, especially from untrusted networks. Internet-facing or flat internal-network deployments would carry higher operational risk. No other affected versions are identified in the provided sources.

Exploitation context

The vulnerability is remotely reachable and requires no authentication or user interaction. The provided sources describe denial of service through reboot or shutdown. The CVE is not marked KEV, and the provided sources do not claim active exploitation.

Researcher notes

Public data attributes this to missing authentication in version 1.1.1050 with availability-only impact. Avoid assuming broader version impact or exploit-in-the-wild status. Remediation details are not provided in the source bundle, so validation should focus on asset exposure and vendor follow-up.

Mitigation direction

  • Identify any JUNG Smart Visu Server deployments and confirm version 1.1.1050 exposure.
  • Restrict access to trusted management networks or VPN where operationally possible.
  • Block untrusted network access to the server interface at firewalls.
  • Check JUNG and cited advisory sources for vendor fix or workaround updates.
  • Prioritize compensating controls if the server supports critical building operations.

Validation and detection

  • Inventory JUNG Smart Visu Server assets and record software versions.
  • Confirm whether version 1.1.1050 is present in production or remote sites.
  • Review firewall and segmentation rules for untrusted access paths.
  • Check logs and monitoring for unexpected reboots or shutdowns.
  • Track vendor and advisory updates for remediation status.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-306: Credential and account abuse lookup

Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-26235 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.7 (4.0)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.7CVSS 4.0HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N——Primary CVE score

Vulnerability scoring details

Base CVSS 4.0 score

8.7High
CVSS 4.0 vector shape for CVE-2026-26235Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ALBRECHT JUNG GMBH & CO. KGJUNG Smart Visu Server1.1.1050Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-306 · source CWE mapping

Missing Authentication for Critical Function

Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.