CVE-2026-80198 Kimai before 2.56.0 Information Disclosure via config() Twig Function
Administrators can exfiltrate sensitive server secrets like LDAP passwords and SAML keys via malicious templates in Kimai.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80198?
CVE-2026-80198 is a high-severity vulnerability in kimai, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-693
Which versions are affected by CVE-2026-80198?
2 open source packages ship an affected version, including kimai/kimai.
| Package | Affected | Fixed in |
|---|---|---|
kimai/kimai Packagist | All versions | 2.56.0 |
kimai/kimai Packagist | All versions | 2.56.0 |
How do I fix CVE-2026-80198?
Upgrade kimai/kimai to 2.56.0 or later.
Is CVE-2026-80198 being exploited?
There is no known exploitation of CVE-2026-80198 in the wild and no public exploit code.
Sources
Also known as GHSA-vrqv-52x7-rm4v, GHSA-w754-75mx-556q.