CVE-2026-67861

HIGH

open62541 < 1.5.6 - Denial of Service via UA_Client_getRemoteDataTypes

Title source: llm
STIX 2.1

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

Scores

CVSS v3 7.5
EPSS 0.0042
EPSS Percentile 34.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Published Aug 04, 2026
Tracked Since Aug 05, 2026