Ghostwire

CVE-2026-63362: An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to...

MEDIUM CVSS 5.9 Exploit Available

Published: July 30, 2026 | Last Modified: July 30, 2026

Description

An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted UDP packet.

Ghostwire Analysis — What This Means Practically

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References