Vulnerability in Louislam Uptime-kuma
CVE-2026-33130
Uptime Kuma is an open source, self-hosted monitoring tool. In versions 1.23.0 through 2.2.0, the fix from GHSA-vffh-c9pq-4crh doesn't fully work to preventServer-side Template Injection (SSTI). The three mitigations added to the Liquid en…
EPSS: 0.003 (26.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Louislam Uptime-kuma — versions >= 1.23.0, < 2.2.1
- Uptime.kuma Uptime_kuma
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
- security-advisories@github.com (Exploit, x_refsource_MISC, Mitigation, Vendor Advisory)
- security-advisories@github.com (Product, Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-33130?
- CVE-2026-33130 is a medium-severity vulnerability in Louislam Uptime-kuma, classified under PHP Remote File Inclusion. CVSS score: 6.5/10. Published 2026-03-20.
- How severe is CVE-2026-33130?
- Medium severity. CVSS v3 base score is 6.5 out of 10.