RCE in Kimai
CVE-2026-80201
Kimai before 2.53.0 fails to block sensitive User methods in the Twig invoice template sandbox, allowing admins to call getApiToken() and getPlainApiToken() methods. Attackers with template creation permissions can embed these method calls in invoice templates to leak hashed API tokens in rendered invoice output.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.0 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/kimai/kimai/security/advisories/GHSA-rh42-6rj2-xwmc (vendor-advisory)
- www.vulncheck.com/advisories/kimai-before-2.53.0-api-token-leakage-via-invoice-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-80201?
- CVE-2026-80201 is a low-severity vulnerability in Kimai, classified under Code Injection. CVSS score: 2.0/10. Published 2026-08-26.
- How severe is CVE-2026-80201?
- Low severity. CVSS v3 base score is 2.0 out of 10.