{"apiVersion":"1.0","identifier":"CVE-2026-80199","description":"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.","publishedAt":"2026-08-26T05:18:27","lastModifiedAt":"2026-08-26T13:19:24","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80199","cvssScore":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","epssProbability":0.00248,"riskScore":0.38,"affectedProduct":"Kimai","affectedVersions":"<2.54.0","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-80199","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-80199","en":"https://www.redsauce.net/en/cves/CVE-2026-80199","fr":"https://www.redsauce.net/fr/cves/CVE-2026-80199","pt":"https://www.redsauce.net/pt/cves/CVE-2026-80199","de":"https://www.redsauce.net/de/cves/CVE-2026-80199","sk":"https://www.redsauce.net/sk/cves/CVE-2026-80199","el":"https://www.redsauce.net/el/cves/CVE-2026-80199"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-80199"}}