CVE-2026-44298
Description
Kimai is an open-source time tracking application. From version 2.32.0 to before version 2.56.0, users with the role System-Admin (ROLE_SYSTE_ADMIN) and the permission upload_invoice_template can upload PDF invoice templates, which can call pdfContext.setOption('associated_files', ...) inside the sandboxed Twig render. This is forwarded to mPDF's SetAssociatedFiles(), whose writer calls file_get_contents($entry['path']) during PDF output and embeds the bytes as a FlateDecode stream in the PDF. Any file readable by the PHP worker is returned to the attacker inside the rendered invoice. This issue has been patched in version 2.56.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
kimai/kimaiPackagist | >= 2.32.0, < 2.56 | 2.56 |
Affected products
3Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-h5fh-7hwr-97mwghsaADVISORY
- github.com/kimai/kimai/security/advisories/GHSA-h5fh-7hwr-97mwnvdMitigationVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-44298ghsaADVISORY
- github.com/kimai/kimai/releases/tag/2.56.0nvdRelease NotesWEB
News mentions
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