High severity7.5NVD Advisory· Published Aug 4, 2026· Updated Aug 5, 2026
CVE-2026-61387
CVE-2026-61387
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.
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Affected products
2Patches
Vulnerability mechanics
References
4- github.com/eclipse-milo/milo/commit/587e35669f519b2d7f6d850a5f86ee5a76c3a2c5nvdPatch
- github.com/eclipse-milo/milo/commit/5f3f6da2a5ea80682e1da7c58f7a1870b09d2b43nvdPatch
- gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598nvdIssue TrackingVendor Advisory
- gitlab.eclipse.org/security/cve-assignment/-/work_items/182nvdBroken Link
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