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CVE-2026-61387

6.9 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Vendor advisories in the News 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

In the news 1

Change history 1

  1. First seenCVSS 6.9 · eclipseNVD modified 2026-10-23 23:10

Affected (CPE criteria) 1

  • cpe:2.3:a:eclipse:milo:*:*:*:*:*:*:*:*

References 4