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CVE-2026-61387

HIGH
7.5
CVSS Score
Published: August 4, 2026 at 11:52 AM UTC
Updated: October 23, 2026 at 11:10 PM UTC
1 product affected across 1 vendorMilo

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

In Eclipse Milo versions 1.0.0 through 1.1.4, monitored-item quota accounting is not exception-safe: if item creation fails with an unchecked error, the server-global reservation is not restored. Deeply nested PubSub ExtensionObjects in a `CreateMonitoredItems` event filter can trigger a `StackOverflowError` during decoding, allowing an unauthenticated remote client to exhaust a finite global monitored-item quota and prevent all clients from creating new monitored items until restart. Existing monitored items and other server functions remain unaffected.

Affected

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

Milo· Eclipsemaven
95%
1.0.0 ≤ v < 1.1.51.0.0
Affected range stops below 1.1.5, so it looks safe — our inference, not a vendor statement

References (4)

Patch
Source: cverecord
https://github.com/eclipse-milo/milo/commit/587e35669f519b2d7f6d850a5f86ee5a76c3a2c5
Patch
Source: cverecord
https://github.com/eclipse-milo/milo/commit/5f3f6da2a5ea80682e1da7c58f7a1870b09d2b43
Issue TrackingVendor Advisory
Source: cverecord
https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598
Broken Link
Source: cverecord
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/182

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-460CWE-772CWE-400

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