High severity8.2NVD Advisory· Published Aug 4, 2026· Updated Aug 5, 2026
CVE-2026-58080
CVE-2026-58080
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.
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Affected products
2Patches
Vulnerability mechanics
References
3- github.com/eclipse-milo/milo/commit/d51f03e9a75f313ab41c3d68d809f4b922073f1anvdPatch
- gitlab.eclipse.org/security/cve-assignment/-/work_items/180nvdIssue TrackingPatchVendor Advisory
- gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598nvdIssue TrackingVendor Advisory
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