What is CVE-2026-5373?

CVE-2026-5373 is a high-severity vulnerability in Runzero Platform, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2026-04-07.

How severe is CVE-2026-5373?

High severity. CVSS v3 base score is 8.1 out of 10.

Privilege escalation in Runzero Platform

CVE-2026-5373

An issue that allowed all-organization administrators to promote accounts to superuser status has been resolved. This is an instance of CWE-269: Improper Privilege Management, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:L/PR:H/UI:R…

Vulnerability class: Privilege Escalation

EPSS: 0.000 (12.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N.

Affected products

Runzero Platform — versions 0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

help.runzero.com/docs/release-notes/ (release-notes)
www.runzero.com/advisories/runzero-platform-su-privesc-cve-2026-5373/ (vendor-advisory)

Frequently asked questions

What is CVE-2026-5373?: CVE-2026-5373 is a high-severity vulnerability in Runzero Platform, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2026-04-07.
How severe is CVE-2026-5373?: High severity. CVSS v3 base score is 8.1 out of 10.