CSV Injection Affecting kimai/kimai package, versions >=2.27.0, <2.54.0
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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Test your applications- Snyk IDSNYK-PHP-KIMAIKIMAI-16424056
- published6 May 2026
- disclosed5 May 2026
- creditsatexd
Introduced: 5 May 2026
CVE-2026-42267 (opens in a new tab)How to fix?
Upgrade kimai/kimai to version 2.54.0 or higher.
Overview
Affected versions of this package are vulnerable to CSV Injection via the XLSX export process. An attacker can execute arbitrary formulas on the system of a user who opens the exported file by creating a tag with a formula string as its name and assigning it to a timesheet, which is then included unsanitized in the export.