CVE-2026-67869

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service_Call validates input arguments against runtime-resolved InputArguments metadata

Published 2026-08-06. Last modified 2026-08-31.