CVE-2026-23626— Kimai Vulnerable to Authenticated Server-Side Template Injection (SSTI)
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I. Basic Information for CVE-2026-23626
Vulnerability Information
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Vulnerability Title
Kimai Vulnerable to Authenticated Server-Side Template Injection (SSTI)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Kimai is a web-based multi-user time-tracking application. Prior to version 2.46.0, Kimai's export functionality uses a Twig sandbox with an overly permissive security policy (`DefaultPolicy`) that allows arbitrary method calls on objects available in the template context. An authenticated user with export permissions can deploy a malicious Twig template that extracts sensitive information including environment variables, all user password hashes, serialized session tokens, and CSRF tokens. Version 2.46.0 patches this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1336
Source: NVD (National Vulnerability Database)
Vulnerability Title
kimai 安全漏洞
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 2.46.0之前版本存在安全漏洞，该漏洞源于导出功能使用的Twig沙箱安全策略过于宽松，允许对模板上下文中的对象进行任意方法调用，可能导致提取敏感信息。
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
II. Public POCs for CVE-2026-23626
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- Release 2.46 (#5757) · kimai/kimai@6a86afb · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-23626
IV. Related Vulnerabilities
Same product: kimai
- CVE-2026-44298
Kimai: Arbitrary file read in invoice PDF renderer (admin) - CVE-2026-41498
Kimai: Team API Missing Object-Level Authorization - CVE-2026-42267
Kimai: Formula Injection via tag names in XLSX export - CVE-2026-40486
Kimai's User Preferences API allows standard users to modify - CVE-2026-40479
Kimai: Stored XSS via Incomplete HTML Attribute Escaping in
Same vendor: kimai
- CVE-2026-44298
Kimai: Arbitrary file read in invoice PDF renderer (admin) - CVE-2026-41498
Kimai: Team API Missing Object-Level Authorization - CVE-2026-42267
Kimai: Formula Injection via tag names in XLSX export - CVE-2026-40486
Kimai's User Preferences API allows standard users to modify - CVE-2026-40479
Kimai: Stored XSS via Incomplete HTML Attribute Escaping in
Same weakness: CWE-1336
- CVE-2026-44129
Server-side template injection - CVE-2026-44916
OpenStack Ironic 安全漏洞 - CVE-2026-42203
LiteLLM: Server-Side Template Injection in /prompts/test end - CVE-2026-6984
AstrBotDevs AstrBot Dashboard API t2i.py create_template spe - CVE-2026-34587
Kirby has Server-Side Template Injection (SSTI) via double t
V. Comments for CVE-2026-23626
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