In Eclipse Milo versions 1.0.0 through 1.1.4, `OpcUaServerConfig.copy()` fails to preserve a configured `RoleMapper`. On servers that rely on role permissions and construct the running configuration through `copy()`, sessions receive no role IDs and the default access controller skips role-permission checks, allowing an anonymous client where anonymous sessions are permitted to read role-permission metadata, invoke protected methods, or delete protected nodes.
Metrics
Affected Vendors & Products
References
History
Tue, 04 Aug 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
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| Title | Role mapping copy flaw in Eclipse Milo enables unauthorized access |
Tue, 04 Aug 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Tue, 04 Aug 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Eclipse
Eclipse milo |
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| Vendors & Products |
Eclipse
Eclipse milo |
Tue, 04 Aug 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In Eclipse Milo versions 1.0.0 through 1.1.4, `OpcUaServerConfig.copy()` fails to preserve a configured `RoleMapper`. On servers that rely on role permissions and construct the running configuration through `copy()`, sessions receive no role IDs and the default access controller skips role-permission checks, allowing an anonymous client where anonymous sessions are permitted to read role-permission metadata, invoke protected methods, or delete protected nodes. | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: eclipse
Published: 2026-08-04T12:05:10.547Z
Updated: 2026-08-04T15:02:18.894Z
Reserved: 2026-07-16T13:58:02.234Z
Link: CVE-2026-58080
Updated: 2026-08-04T14:28:18.191Z
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