CVE-2026-63252

7.5 HIGHpublic exploit available

Published 2026-08-04 · Updated 2026-08-05

AI risk analysis

Summary: The flaw allows remote unauthenticated clients to exhaust server memory by sending incomplete message chunks and disconnecting repeatedly, potentially crashing the server.
Exploitability: Exploitation is relatively easy as it requires only sending incomplete messages and disconnecting; no authentication is needed.
Blast radius: If exploited, this could lead to a denial of service for affected servers, impacting availability and reliability.
Prioritized remediation: Update to Eclipse Milo versions later than 1.1.4 or apply vendor-provided patches immediately.

dosmemory-exhaustionunauth

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

In Eclipse Milo versions 0.6.0 through 1.1.4, UASC server transport handlers fail to release retained partial message chunks when a channel disconnects, allowing a remote unauthenticated client to exhaust pooled direct memory by repeatedly sending incomplete chunks and disconnecting, potentially terminating the server.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-401

Vendors

eclipse

Products

milo

Public exploit & PoC references

https://github.com/eclipse-milo/milo/commit/459715793ec54b0f33367a14f94264500a0d872b Patch

References

https://github.com/eclipse-milo/milo/commit/459715793ec54b0f33367a14f94264500a0d872b Patch
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/179 Issue Tracking, Patch, Vendor Advisory
https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/598 Issue Tracking, Vendor Advisory

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.