CVE-2026-67861: High severity open62541 open62541 vulnerability
Published Aug 4, 2026
·Updated
An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UAClientgetRemoteDataTypes component
Affected Software
1 affected component
open62541 open62541<=1.5.5
Event History
Aug 4, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverity
Data Sourced
via NVD·10:17 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-67861?
CVE-2026-67861 has a severity score of 7.5, categorized as high.
2
What type of vulnerability is CVE-2026-67861?
CVE-2026-67861 is a denial of service vulnerability affecting open62541 versions 1.5.5 and earlier.
3
How do I fix CVE-2026-67861?
To fix CVE-2026-67861, upgrade to open62541 version 1.5.6 or later.
4
What component is affected by CVE-2026-67861?
CVE-2026-67861 affects the UA_Client_getRemoteDataTypes component of open62541.
5
Can CVE-2026-67861 be exploited remotely?
Yes, CVE-2026-67861 can be exploited by remote attackers to cause a denial of service.