What is GHSA-p6f7-72pm-r6j9?

GHSA-p6f7-72pm-r6j9 is a security advisory published by GitHub Security Advisories with Medium severity. Kimai before 2.54.0 contains a timing oracle vulnerability in TokenAuthenticator that allows...

Which CVE IDs does GHSA-p6f7-72pm-r6j9 cover?

GHSA-p6f7-72pm-r6j9 covers the following CVE IDs: CVE-2026-80199. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p6f7-72pm-r6j9?

GHSA-p6f7-72pm-r6j9 has a CVSS v3 base score of 3.7, published by GitHub Security Advisories.

GHSA-p6f7-72pm-r6j9MediumCVSS 3.7

Kimai before 2.54.0 contains a timing oracle vulnerability in TokenAuthenticator that allows...

Vendor

GitHub Security Advisories

Published

August 31, 2026

Last Modified

August 31, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (4)

https://github.com/kimai/kimai/security/advisories/GHSA-jrc6-fmhw-fpq2
https://nvd.nist.gov/vuln/detail/CVE-2026-80199
https://www.vulncheck.com/advisories/kimai-before-2.54.0-username-enumeration-via-timing-oracle
https://github.com/advisories/GHSA-p6f7-72pm-r6j9