What is CVE-2026-30829?

CVE-2026-30829 is a medium-severity vulnerability in Bluewave-labs Checkmate, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-03-07.

How severe is CVE-2026-30829?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Bluewave-labs Checkmate

CVE-2026-30829

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Prior to version 3.4.0, an unauthenticated information disclosur…

Vulnerability class: Information Disclosure

EPSS: 0.000 (9.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Bluewave-labs Checkmate — versions < 3.4.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

https://github.com/bluewave-labs/Checkmate/security/advisories/GHSA-57xf-wg6w-fjrr (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-30829?: CVE-2026-30829 is a medium-severity vulnerability in Bluewave-labs Checkmate, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-03-07.
How severe is CVE-2026-30829?: Medium severity. CVSS v3 base score is 5.3 out of 10.