NetSight
low3.7

CVE-2026-80199

Kimai before 2.54.0 contains a timing oracle vulnerability in TokenAuthenticator that allows unauthenticated attackers to enumerate valid usernames via X-AUTH-…

Impact

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.

Affected products

ProductAffected versions
Kimai
before 2.54.0

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References