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CVE-2026-63248

MEDIUM
6.5
CVSS Score
Published: August 4, 2026 at 12:07 PM UTC
Updated: October 23, 2026 at 11:10 PM UTC
1 product affected across 1 vendorMilo

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Milo· Eclipsemaven
95%
0.6.0 ≤ v < 1.1.50.6.0
Affected range stops below 1.1.5, so it looks safe — our inference, not a vendor statement

References (3)

Patch
Source: cverecord
https://github.com/eclipse-milo/milo/commit/a5dae1be0657d2b4fcb66e63f377c1dc36069e2a
Issue TrackingVendor Advisory
Source: cverecord
https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598
Issue TrackingPatchVendor Advisory
Source: cverecord
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/181

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-862

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