CVE-2026-80198

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductKimai/kimai

PublishedAug 26, 2026

First seenAug 26, 2026

Weakness typeCWE-693CWE-693

How to fix

Update

kimai/kimai2.56.0 or later

Vendor advisories

github.com/kimai/kimai/security/advisories/GHSA-vrqv-52x7-rm4v

Affected products

Product	Affected versions	Fixed in
kimai/kimaiPackagist	v < 2.56.0	2.56.0

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