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CVE-2026-50631

HIGH
7.4
CVSS Severity Score
EPSS Score0.1330%
EPSS Percentile9.40th
PublishedJun 12, 2026
Last ModifiedJun 12, 2026

Vulnerability 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.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 https://lists.apache.org/thread/s83t3x4r626o9h8rt0ryr1w7w53l1vv8
🔗 http://www.openwall.com/lists/oss-security/2026/06/11/8

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