CVE-2026-67861

high

Description

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

References

https://raw.githubusercontent.com/open62541/open62541/v1.5.5/src/client/ua_client_util.c

https://raw.githubusercontent.com/open62541/open62541/v1.5.5/examples/custom_datatype/client_types_custom.c

https://github.com/open62541/open62541/issues/8140

Details

Source: Mitre, NVD

Published: 2026-08-04

Updated: 2026-08-04

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High