Cloudanix VulnDB

CVE-2026-9802

Medium · 6.8

CVSS

6.8

EPSS

0.5%

Published

May 28, 2026

CISA due date

—

The record

A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been revoked. Successful exploitation grants the attacker unauthorized access to the victim's account, potentially leading to information disclosure or privilege escalation.

Affected packages

Ecosystem Package Introduced Fixed

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