An issue that could allow a credential to be updated and used for a task from outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N (5.8 Medium). This issue was fixed in version 4.0.26021.0 of the runZero Platform.
Conclusion & alert: CVE-2026-5384 is rated Low Risk (25.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.03%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-08 | — | 0.03% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.8 | 3.1 | MEDIUM |
|
1.3 | 4.0 | 44488dab-36db-4358-99f9-bc116477f914 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| runzero | runzero_platform | < 4.0.26021.0 | cpe:2.3:a:runzero:runzero_platform:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://help.runzero.com/docs/release-notes/#402602100 | Release Notes |
| https://www.runzero.com/advisories/runzero-platform-cve-2026-5384/ | Vendor Advisory |