Security Advisory

CVE-2026-50631

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-12 08:59:40

Last updated 2026-06-12 14:04:22

Assigner apache

CVSS score not scored

State PUBLISHED

Description

A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or threads. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.

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