anonhaven

CVE-2026-67861

HIGH CVSS 3.1: 7.5 EPSS 0.42%
Updated Aug 05, 2026
An
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-400 (Uncontrolled Resource Consumption)
Vendor An
Public PoC No

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UA_Client_getRemoteDataTypes component

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

References 3

https://github.com/open62541/open62541/issues/8140
cve@mitre.org
https://raw.githubusercontent.com/open62541/open62541/v1.5.5/examples/custom_da…
cve@mitre.org
https://raw.githubusercontent.com/open62541/open62541/v1.5.5/src/client/ua_clie…
cve@mitre.org
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