CVE•Published 2026-08-26•Modified 2026-08-31•0 articles on news•5 live references•NVD data
CVE-2026-80199
Vulnerability data via NVD (ingested)
CVSS v3.1
3.7
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS percentile
16
Exploit Prediction Scoring System · top 84% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2026-08-26
Modified 2026-08-31
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.
More intel sources (5)
Shodan report
vuln:CVE-2026-80199Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-80199Censys host search filtered to this CVE id.
grep.app
CVE-2026-80199Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-80199GitHub code search for direct mentions.
Google dork
"CVE-2026-80199" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-80199 on GitHub.
We haven't classified any articles referencing CVE-2026-80199 yet. The external references above still apply.