Improperly Controlled Modification of Dynamically-Determined Object Attributes Affecting kimai/kimai package, versions <2.53.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published19 Apr 2026
- disclosed15 Apr 2026
- creditudaypali
Introduced: 15 Apr 2026
CVE-2026-40486 (opens in a new tab)How to fix?
Upgrade kimai/kimai to version 2.53.0 or higher.
Overview
Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes through the updateUserPreference process. An attacker can alter restricted financial attributes by sending crafted API requests to modify their own hourly_rate and internal_rate without proper authorization checks.