6.9
Medium
CVE-2026-63248 In Eclipse Milo versions 0.6.0 through 1.1.4, OPC UA server diagnostics nodes do not enforce access authorization
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Eclipse Milo 0.6 | 0.6.0 → 1.1.4 | No fix stated |
Other CVEs of Eclipse Milo
The 6 CVEs of Eclipse Milo →
CVE-2026-58080
In Eclipse Milo versions 1.0.0 through 1.1.4, `OpcUaServerConfig.copy()` fails to preserve a configured `RoleMapper`
8.8
High
CVE-2026-63252
In Eclipse Milo versions 0.6.0 through 1.1.4, UASC server transport handlers fail to release retained partial message…
8.7
High
CVE-2026-62927
In Eclipse Milo versions 1.0.0 through 1.1.4, the Call service dispatches the original mixed batch to address-space…
8.7
High
CVE-2026-60007
In Eclipse Milo versions 0.6.0 through 1.1.4, username-token processing returns distinguishable errors for invalid RSA…
9.1
Critical