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        "state": "PUBLISHED",
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        "dateReserved": "2026-08-25T23:14:37.730Z",
        "datePublished": "2026-08-25T23:19:05.166Z",
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            "datePublic": "2026-04-16T00:00:00.000Z",
            "title": "Kimai before 2.54.0 Username Enumeration via Timing Oracle",
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                    "value": "Kimai before 2.54.0 contains a timing oracle vulnerability in TokenAuthenticator that allows unauthenticated attackers to enumerate valid usernames via X-AUTH-USER header. Attackers can measure response time differences when the password hasher runs only for existing users, enabling username enumeration with no login throttling protection."
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