Skip to main content

Talassoft Industrial Management EUVDEUVD-2026-69382

| CVE-2026-18771 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-09-01 iletisim@usom.gov.tr GHSA-2369-qr3g-mg2m
7.5
CVSS 3.1 · Vendor: usom
View

Attack ChainAIDerived

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

  1. Access
    Identify Talassoft server on network
  2. Delivery
    Send unauthenticated request to critical function endpoint
  3. Exploit
    Bypass missing authentication check
  4. Execution
    Trigger high-availability-impact action
  5. Impact
    Disrupt industrial operations

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 configuration is required beyond the vulnerable version (V4 through V15.x) being reachable over the network. The CVSS vector AV:N/AC:L/PR:N/UI:N confirms unauthenticated remote exploitation against default deployments with no elevated complexity. Exploitation is limited by network reachability: if the Talassoft server is not internet-exposed and is confined to an isolated OT/plant network, attackers require prior foothold on that network segment. Exploitation is also limited to the specific critical function(s) lacking authentication - the exact endpoint(s) are not disclosed in the advisory, making precise targeting dependent on reconnaissance or source code access.

Impact

The CVSS base score of 7.5 (High) is driven primarily by the zero-friction attack profile: network-accessible (AV:N), low complexity (AC:L), no privileges (PR:N), and no user interaction (UI:N). EPSS data is absent from the provided intelligence, and this CVE is not listed in CISA KEV, and no public exploit code has been identified - reducing near-term automated exploitation risk. However, there is a notable analytical tension: the vulnerability class (CWE-306, authentication bypass) typically implies confidentiality and integrity compromise, yet the provided CVSS vector scores C:N and I:N with only A:H. This discrepancy may indicate the vendor or reporter scoped the impact conservatively to a specific unauthenticated function (e.g., a shutdown or reset call), or the vector may underrepresent the full impact. Security teams should verify the actual scope of the unauthenticated function with the vendor. The industrial context amplifies operational risk: disruption to an industrial management system can cascade into production downtime, equipment mismanagement, or safety incidents beyond simple IT availability loss.

Exploit ScenarioDerived

An attacker with network access to the Talassoft server - whether through an internet-facing deployment, a compromised internal segment, or a vendor VPN connection - sends a crafted HTTP or application-layer request directly to the unauthenticated critical function endpoint without supplying credentials. The server processes the request, triggering a high-availability-impact action such as a service disruption, forced shutdown, or operational halt, without any authentication check being performed.

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

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Sep 01, 2026

Missing authentication for a critical function in TMT Machine Industry and Trade Ltd. Co.'s Talassoft Industrial Management Software exposes industrial operations to unauthenticated remote attackers who can access and invoke privileged functionality without credentials. Affected versions span a broad range from V4 through V15.x (all versions before V.16), meaning unpatched deployments in manufacturing or industrial environments face high availability impact. No public exploit has been identified at time of analysis, and the vulnerability is not in CISA KEV, but its unauthenticated network attack vector and industrial context elevate operational risk.

RemediationAI

Upgrade Talassoft Industrial Management Software to V.16 or later, which resolves the missing authentication issue per the USOM advisory at https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0965. Until patching is feasible, restrict network access to the Talassoft application server using firewall rules or network segmentation, allowing connections only from authorized operator workstations and denying all external or internet-facing access - this compensating control is especially actionable in industrial environments where the system should not be internet-exposed. Additionally, place the application behind a VPN or authenticated network gateway to add an authentication layer in front of the unauthenticated endpoint. Note that network restrictions do not fix the underlying flaw and must be maintained until V.16 is deployed.

Affected VersionsENISA

Talassoft Industrial Management Software V.4 <V.16

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

The root cause is CWE-306 (Missing Authentication for Critical Function), a design-level flaw where one or more functions exposed over the network do not enforce authentication checks before execution. Talassoft is an industrial ERP/management platform developed by Turkish vendor TMT Machine Industry and Trade Ltd. Co., likely used to manage production, equipment, or operational data in manufacturing environments. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms the vulnerable endpoint is reachable over the network without any credential requirement. The stated impact is limited to availability (A:H, C:N, I:N) per the NVD vector, suggesting the unauthenticated critical function may trigger a denial-of-service, forced restart, or operational halt rather than data exfiltration - though this impact boundary is narrow for an authentication bypass and warrants independent verification. No CPE string was provided; affected versions are V4 through any release before V.16.

Know when the next one hits your stack

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Vendor (usom) PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vuln.today AI 9.8 CRITICAL

Authentication bypass of a critical function implies full unauthorized access; C:N/I:N in the original vector is analytically inconsistent with CWE-306 and likely underscopes impact.

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

Primary rating from Vendor (usom).

CVSS VectorVendor: usom

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionCVE.org

Missing authentication for critical function vulnerability in TMT Machine Industry and Trade Ltd. Co. Talassoft Industrial Management Software allows Authentication Bypass.

This issue affects Talassoft Industrial Management Software: from V4 before V.16.

Executive ViewAI

Why It Matters

Talassoft Industrial Management Software (versions V4-V15.x) by TMT Machine Industry and Trade Ltd. contains a critical authentication bypass exposing manufacturing and industrial operations to unauthenticated remote attackers capable of invoking privileged functions without credentials. This vulnerability directly threatens operational continuity of production systems, creating risk of unauthorized manipulation of critical industrial processes. Unpatched deployments require immediate mitigation to prevent service disruption or unauthorized process control.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Deploy compensating controls: restrict network access via firewall rules and VPN segmentation, isolate affected systems from external and untrusted networks, enable comprehensive audit logging on all Talassoft privileged function invocations, and establish real-time alerting for suspicious authentication attempts. If your architecture supports reverse-proxy deployment, implement an authentication enforcement layer in front of Talassoft. Establish daily monitoring routines to detect exploitation attempts until the vendor patch (V16+) can be deployed.

Threat Intelligence Overview

EPSS Score
0.4%
Top 67% exploitable
Prevalence
Rare
niche Turkish regional industrial ERP, limited global footprint
Data Quality
4 sources
Confidence: Medium

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
Partial

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
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.

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy