Kimai before 2.56.0 Information Disclosure via config() Twig Function

Advisories

Kimai before 2.56.0 Information Disclosure via config() Twig Function

severity: high
date: 8/25/2026
Affecting: kimai >= 0, < 2.56.0
CVE: CVE-2026-80198
CWE: CWE-693 Protection Mechanism Failure
CVSS: 8.7
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References: GitHub Security Advisory (GHSA-vrqv-52x7-rm4v)
Credit: fg0x0
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.

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