CVE-2026-67864: n/a
A denial of service vulnerability exists in open62541 versions 1.5.5 and earlier. The issue arises from the NodeManagement type-instantiation logic, allowing a remote attacker to cause service disruption without requiring authentication. The vulnerability has a high severity rating with a CVSS score of 7.5.
AI Analysis
Technical Summary
CVE-2026-67864 is a denial of service vulnerability affecting open62541 versions prior to 1.5.6. The flaw is located in the NodeManagement type-instantiation logic component, which can be exploited remotely without privileges or user interaction to cause a denial of service condition. The vulnerability is classified under CWE-400 (Uncontrolled Resource Consumption). No official patch or remediation guidance has been provided at this time.
Potential Impact
Successful exploitation results in denial of service, impacting availability of the open62541 service. There is no impact on confidentiality or integrity according to the CVSS vector. The attack can be performed remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider restricting access to the affected service to trusted networks and monitoring for unusual service disruptions related to NodeManagement operations.
CVE-2026-67864: n/a
Description
A denial of service vulnerability exists in open62541 versions 1.5.5 and earlier. The issue arises from the NodeManagement type-instantiation logic, allowing a remote attacker to cause service disruption without requiring authentication. The vulnerability has a high severity rating with a CVSS score of 7.5.
CVSS v3.1
Score 7.5high
Affected software
pkg:github/open62541/open62541Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-67864 is a denial of service vulnerability affecting open62541 versions prior to 1.5.6. The flaw is located in the NodeManagement type-instantiation logic component, which can be exploited remotely without privileges or user interaction to cause a denial of service condition. The vulnerability is classified under CWE-400 (Uncontrolled Resource Consumption). No official patch or remediation guidance has been provided at this time.
Potential Impact
Successful exploitation results in denial of service, impacting availability of the open62541 service. There is no impact on confidentiality or integrity according to the CVSS vector. The attack can be performed remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider restricting access to the affected service to trusted networks and monitoring for unusual service disruptions related to NodeManagement operations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-07-30T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a73b52ebf8831d539889c60
Added to database: 08/05/2026, 22:11:58 UTC
Last enriched: 08/13/2026, 17:30:29 UTC
Last updated: 09/17/2026, 22:01:37 UTC
Views: 60
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