PT-2026-48850 · Unknown · Abstractoauthdataprovider

Published 2026-06-12 · Updated 2026-06-12 · CVE-2026-50631

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions AbstractOAuthDataProvider versions prior to 4.2.2 AbstractOAuthDataProvider versions prior to 4.1.7

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 the recycleRefreshTokens variable is set to false. This allows a leaked refresh token to be replayed concurrently by multiple threads or attackers.

Recommendations Upgrade to version 4.2.2. Upgrade to version 4.1.7.

Fix

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2026-50631

Affected Products

Abstractoauthdataprovider

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-50631 · Security Note
• https://lists.apache.org/thread/s83t3x4r626o9h8rt0ryr1w7w53l1vv8 · Vendor Advisory
• http://openwall.com/lists/oss-security/2026/06/11/8 · Note
• https://twitter.com/VulmonFeeds/status/2065391501618663506 · Twitter Post