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CVE-2026-44298— Kimai: Arbitrary file read in invoice PDF renderer (admin)

CVSS 4.1 · Medium EPSS 0.05% · P17
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I. Basic Information for CVE-2026-44298

Vulnerability Information
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Vulnerability Title
Kimai: Arbitrary file read in invoice PDF renderer (admin)
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
kimai 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
kimai是kimai个人开发者的一个基于网络的多用户时间跟踪应用程序。 kimai 2.32.0至2.56.0之前版本存在路径遍历漏洞，该漏洞源于具有upload_invoice_template权限的系统管理员用户上传PDF发票模板时，可通过调用pdfContext.setOption触发文件包含，导致任意文件读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
kimaikimai >= 2.32.0, < 2.56.0 -

II. Public POCs for CVE-2026-44298

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III. Intelligence Information for CVE-2026-44298

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Same Patch Batch · kimai · 2026-05-08 · 3 CVEs total

CVE-2026-414983.3 LOWKimai: Team API Missing Object-Level Authorization
CVE-2026-42267Kimai: Formula Injection via tag names in XLSX export

IV. Related Vulnerabilities

Same product: kimai
Same vendor: kimai
Same weakness: CWE-22

V. Comments for CVE-2026-44298

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