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TI-2026-41830 Aliases CVE-2026-58080GHSA-pvvm-cxq7-hrgr

Missing authorization in Eclipse Milo

Priority MEDIUM 44CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00378 31st percentileScored 2026-11-07
Fix Fixed Eclipse Milo (Eclipse Foundation): 1.1.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Eclipse FoundationEclipse Milo1.0.0 to before 1.1.51.1.5Patch availableCNA
  • Eclipse Milo VendorEclipse Foundation Affected 1.0.0 to before 1.1.5 Fixed in 1.1.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:eclipse:milo:*:*:*:*:*:*:*:*1.0.0 to before 1.1.5VulnerableEclipse Foundation
  • cpe:2.3:a:eclipse:milo:*:*:*:*:*:*:*:* Versions 1.0.0 to before 1.1.5 Vulnerable ·Eclipse Foundation

Remediation

  • Fix · CNA Eclipse Milo (Eclipse Foundation) Fixed in 1.1.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Eclipse Milo 1.1.5

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-44975 Incorrect authorization in Eclipse MiloPriority MEDIUM 44
    • TI-2026-44014 Uncontrolled resource consumption in Eclipse MiloPriority LOW 37
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-58080
  2. 2026-10-03 Alias added: GHSA-pvvm-cxq7-hrgr

References

Patch 2

Advisory 1

  • TI-2026-45121 Memory leak in Eclipse Milo CVSS 4.0HIGH 8.7
  • TI-2026-44975 Incorrect authorization in Eclipse Milo CVSS 4.0HIGH 8.7
  • TI-2026-42787 In Eclipse Milo versions 0.6.0 through 1.1.4, username-token processing returns… CVSS 4.0CRITICAL 9.1
  • TI-2026-44014 Uncontrolled resource consumption in Eclipse Milo CVSS 4.0MEDIUM 6.9
  • TI-2026-45120 Missing authorization in Eclipse Milo CVSS 4.0MEDIUM 6.9
  • TI-2022-09453 Denial of service (DoS) in org.eclipse.milo:sdk-server CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences