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Vulnerabilities CVE-2025-15039

CVE-2025-15039

Critical
Open
TLP:CLEAR

Account Takeover via Conditional Authentication Script Logic in Multiple WSO2 Products

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Description

The Conditional Authentication (Adaptive Authentication) script does not correctly enforce the completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configured. This allows an attacker to bypass intermediate authentication challenges by exploiting how the script handles callbacks and re-execution of authentication steps. Successful exploitation allows a malicious actor to gain unauthorized access to a targeted user account. This vulnerability can only be exploited when all of the following conditions are met: the application login flow contains a specific secondary authenticator, the Conditional Authentication script is configured with particular event callbacks and re-executes an authentication step, the targeted user has one of the impacted authenticators enrolled, and the attacker successfully completes any preceding authentication steps.

Details

CVSS Score
9.4
EPSS Score
0.39%

32th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Confidence
90%
Published
Aug 6, 2026
Last Modified
Aug 6, 2026
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