CVE-2026-63252

HIGH CVSS 4.0: 8.7 EPSS 0.41%
Updated Aug 05, 2026
In Eclipse
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions 0.6.0 — 1.1.5
Fixed In 1.1.5
Type CWE-401 (Memory Leak)
Vendor In Eclipse
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Eclipse Milo
cpe:2.3:a:eclipse:milo:*:*:*:*:*:*:*:*
0.6.0 1.1.5