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Vulnerabilities CVE-2026-6266

CVE-2026-6266

High
Open
TLP:CLEAR

Aap-controller: aap-gateway: account hijacking and unauthorized access via unverified email linking

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Description

A flaw was found in the AAP gateway. The user auto-link strategy, introduced in AAP 2.6, automatically links an external Identity Provider (IDP) identity to an existing AAP user account based on email matching without verifying email ownership. This allows a remote attacker to potentially hijack a victim's account or gain unauthorized access to other accounts, including administrative accounts, by manipulating the IDP-provided email.

Details

CVSS Score
8.3
EPSS Score
0.40%

33th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Confidence
90%
Published
May 4, 2026
Last Modified
Aug 17, 2026
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