# CVE-2026-80196

## Summary

- **CVE ID:** CVE-2026-80196
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-640
- **Published:** Aug 25, 2026
- **Last Modified:** Aug 26, 2026

## Description

Kimai before 2.58.0 contains an authentication bypass vulnerability where password reset links remain valid after password changes because the LoginLink signature covers only the user id, not the password hash. Attackers who intercept or cache a password reset link can use it up to 2 additional times within a 1-hour window to log in as the user even after the legitimate user has changed their password.

## Affected Products

- kimai — kimai (0)
- kimai — kimai (2.58.0)

## References

- [CNA](https://github.com/kimai/kimai/security/advisories/GHSA-m492-gv72-xvxj)
- [CNA](https://www.vulncheck.com/advisories/kimai-before-2.58.0-authentication-bypass-via-password-reset-link)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.42%
- **EPSS Percentile:** 35.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._