CVE-2026-63248

MediumCVSS 6.5/10Last modified Oct 23, 2026

Description

In Eclipse Milo versions 0.6.0 through 1.1.4, OPC UA server diagnostics nodes do not enforce access authorization. An anonymous client can enable diagnostics over a None/None endpoint without a certificate; with a trusted client application certificate over SignAndEncrypt, it can read security diagnostics for other active sessions, exposing usernames, login history, authentication mechanisms, security modes and policies, and public client certificates.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published: Aug 4, 2026
Last modified: Oct 23, 2026
NVD status: Analyzed

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