Eclipse Milo 1.0.x-1.1.4: Auth bypass via mixed batch call
CVE-2026-62927 Published on August 4, 2026
In Eclipse Milo versions 1.0.0 through 1.1.4, the Call service dispatches the original mixed batch to address-space handlers after calculating authorization, allowing an anonymous or otherwise low-privileged client to execute a denied method by batching it with an allowed method.
Vulnerability Analysis
CVE-2026-62927 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-62927 has been classified to as an AuthZ vulnerability or weakness.
Affected Versions
Eclipse Foundation Eclipse Milo:- Version 1.0.0 and below 1.1.5 is affected.