CVE-2026-118030

Publié : 29 octobre 2026

Modifié : 29 octobre 2026

Score CVSS

4.2

MEDIUM

Description détaillée

A flaw was found in the HOTP authentication mechanism of the keycloak-services component, which provides identity and access management services. The issue occurs because the system validates a one-time password and updates its internal counter in two separate steps without proper locking. An attacker with a users password could exploit this timing gap to use a single one-time code to log in multiple times simultaneously.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Références et Patchs

https://access.redhat.com/security/cve/CVE-2026-118030 https://bugzilla.redhat.com/show_bug.cgi?id=2562005

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