🛡️ CVE-2026-63252 — milo

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-401 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-63252 is classified as CWE-401: Memory Leak. Allocated memory is never released, so long-running or repeated operations gradually exhaust it.

Affected software

CVE-2026-63252 is recorded against 1 package.

  • milo (from 0.6.0 up to 1.1.5)

Timeline and source

Published on 4 August 2026 and last revised on 5 August 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
gitlab.eclipse.org
gitlab.eclipse.org

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-401
Public Exploit ✅ No
Source NVD
Published 2026-08-04
Updated 2026-08-11
Modified 2026-08-05

Affected Packages

Software From version Fixed in
milo 0.6.0 1.1.5

Similar Threats

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