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CVE-2026-80198— Kimai before 2.56.0 Information Disclosure via config() Twig Function

Quick assessment

Affected
kimai kimai
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kimai 2.56.0 之前版本在沙盒化的发票和导出模板中未能限制 config() Twig 函数，导致管理员可以访问任意配置密钥。拥有管理员权限的攻击者可以上传恶意模板，将服务器范围内的秘密信息（如 LDAP 绑定密码和 SAML 私钥）提取到发票或导出文档中，这些文档可以被低权限用户访问。

CVSS 7.5 · High EPSS 0.34% · P26

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 2

VendorProduct Version RangeStatus
kimai kimai < 2.56.0 affected
2.56.0 unaffected
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I. Basic Information for CVE-2026-80198

Vulnerability Information
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Vulnerability Title
Kimai before 2.56.0 Information Disclosure via config() Twig Function
Source: CVE Program / CVE List V5
Vulnerability Description
Kimai versions before 2.56.0 fail to restrict the config() Twig function in sandboxed invoice and export templates, allowing administrators to access arbitrary configuration keys. Attackers with admin privileges can upload malicious templates to exfiltrate server-wide secrets including LDAP bind passwords and SAML private keys into invoice or export documents accessible to lower-privileged users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
kimai kimai 0 ~ 2.56.0 -

II. Public POCs for CVE-2026-80198

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7593 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2026-80198

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Vendor Advisories for CVE-2026-80198 (2)

Same Patch Batch · kimai · 2026-08-25 · 10 CVEs total

CVE-2026-80193 8.8 HIGH Kimai before 2.62.0 Authorization Bypass via QuickEntry
CVE-2026-80202 8.8 HIGH Kimai before 2.56.0 Authorization Bypass via TimesheetVoter
CVE-2026-80196 7.5 HIGH Kimai before 2.58.0 Authentication Bypass via Password Reset Link
CVE-2026-80195 5.4 MEDIUM Kimai before 2.63.0 Team Membership Removal via API
CVE-2026-80194 4.3 MEDIUM Kimai before 2.64.0 Missing Authorization via ProjectViewController export
CVE-2026-80197 4.3 MEDIUM Kimai before 2.57.0 Improper Authorization via Favorite Endpoints
CVE-2026-80199 3.7 LOW Kimai before 2.54.0 Username Enumeration via Timing Oracle
CVE-2026-80201 2.0 LOW Kimai before 2.53.0 API Token Leakage via Invoice Template
CVE-2026-80200 Kimai before 2.53.0 Open Redirect via RelayState

IV. Related Vulnerabilities

Same product: kimai
Same vendor: kimai
Same weakness: CWE-693

V. Comments for CVE-2026-80198

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