# CVE-2026-58080: Eclipse Foundation Eclipse Milo multiple authorization and resource management flaws

Source: https://junglewise.ai/threats/cve-2026-63252-eclipse-foundation-eclipse-milo  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-04. Updated: 2026-10-15  
License: CC BY 4.0 with a link back

CVE-2026-58080 · Severity: high · CVSS 7.5 · Published 2026-08-04

Eclipse Milo is an OPC UA (industrial protocol) implementation used for machine-to-machine communication in manufacturing and operational technology environments. Multiple authorization and resource management vulnerabilities in Milo versions 0.6.0 through 1.1.4 could allow attackers to delete protected data, steal user credentials, impersonate legitimate users, or cause denial of service by exhausting server resources.

Technologies: [Eclipse Milo](https://junglewise.ai/threats/technologies/milo). Vendors: [Eclipse](https://junglewise.ai/threats/vendors/eclipse), [Eclipse Foundation](https://junglewise.ai/threats/vendors/eclipse-foundation).

## Quick answers

**Is CVE-2026-58080 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-58080 being exploited in the wild.

**How severe is CVE-2026-58080?** High severity, with a CVSS score of 7.5, published 4 August 2026.

**Which products and versions are affected?** Eclipse Foundation Eclipse Milo 0.6.0 through 1.1.4.

**Is there a fix for CVE-2026-58080?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-58080 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-58080?** Check whether you run Eclipse Milo or Eclipse Foundation Eclipse Milo at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The advisory describes six distinct vulnerabilities spanning incorrect authorization, missing authorization, memory/resource leaks, and response discrepancies in Eclipse Milo. Attackers with network access to OPC UA servers can exploit these flaws without authentication or user interaction to gain unauthorized access, exfiltrate sensitive data, or trigger resource exhaustion leading to service disruption.

## Affected products

- Eclipse Foundation Eclipse Milo 0.6.0 through 1.1.4

## Identifiers

- CVE-2026-58080
- CVE-2026-63252
- CVE-2026-60007
- CVE-2026-63248
- CVE-2026-61387
- CVE-2026-62927

## Timeline

- 2026-10-15: advisory

## Related threats

- [In Eclipse Milo versions 0.6.0 through 1.1.4, OPC UA server diagnostics nodes do not enforce access authorization. An…](https://junglewise.ai/threats/cve-2026-63248-in-eclipse-milo-versions-0-6-0-through-1-1-4-opc-ua-server)
- [In Eclipse Milo versions 1.0.0 through 1.1.4, the Call service dispatches the original mixed batch to address-space…](https://junglewise.ai/threats/cve-2026-62927-in-eclipse-milo-versions-1-0-0-through-1-1-4-the-call-service)
- [In Eclipse Milo versions 1.0.0 through 1.1.4, monitored-item quota accounting is not exception-safe: if item creation…](https://junglewise.ai/threats/cve-2026-61387-in-eclipse-milo-versions-1-0-0-through-1-1-4-monitored-item-quota)
- [In Eclipse Milo versions 0.6.0 through 1.1.4, username-token processing returns distinguishable errors for invalid RSA…](https://junglewise.ai/threats/cve-2026-60007-in-eclipse-milo-versions-0-6-0-through-1-1-4-username-token)
- [In Eclipse Milo versions 1.0.0 through 1.1.4, `OpcUaServerConfig.copy()` fails to preserve a configured `RoleMapper`…](https://junglewise.ai/threats/cve-2026-58080-in-eclipse-milo-versions-1-0-0-through-1-1-4-opcuaserverconfig)