Vulnerability in Kimai
CVE-2026-80198
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/kimai/kimai/security/advisories/GHSA-vrqv-52x7-rm4v (vendor-advisory)
- www.vulncheck.com/advisories/kimai-before-2.56.0-information-disclosure-via-con… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-80198?
- CVE-2026-80198 is a high-severity vulnerability in Kimai, classified under Protection Mechanism Failure. CVSS score: 7.5/10. Published 2026-08-26.
- How severe is CVE-2026-80198?
- High severity. CVSS v3 base score is 7.5 out of 10.