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Vulnerability record · CVE-2026-80198 · published 26 August 2026

CVE-2026-80198: Kimai versions before 2.56.0 fail to restrict the config() Twig function in sandboxed invoice and export templ…

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.

8.7 CVSS 4.0 High EPSS 0.43% · top 65.0% CWE-693 · CWE-693 Deferred
8.7CVSS 4.0 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
31 Aug 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/kimai/kimai/security/advisories/GHSA-vrqv-52x7-rm4v
https://www.vulncheck.com/advisories/kimai-before-2.56.0-information-disclosure-via-config-twig-function

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Source: NIST National Vulnerability Database (record CVE-2026-80198), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.