What is CVE-2026-5379?

CVE-2026-5379 is a low-severity vulnerability in Runzero Platform, classified under Incorrect Authorization. CVSS score: 3.0/10. Published 2026-04-07.

How severe is CVE-2026-5379?

Low severity. CVSS v3 base score is 3.0 out of 10.

Auth bypass in Runzero Platform

CVE-2026-5379

An issue that allowed MCP agents to access certificate information from outside of their 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:L/I:N/A:N (3.0 Low). This issue was fixed in version 4.0.260203.0 of the runZero Platform.

Vulnerability class: Broken Access Control

Published 2026-04-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.0 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001

Affected products

Runzero Platform — versions 0
Runzero Platform

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

44488dab-36db-4358-99f9-bc116477f914 (release-notes, Release Notes)
44488dab-36db-4358-99f9-bc116477f914 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-5379?: CVE-2026-5379 is a low-severity vulnerability in Runzero Platform, classified under Incorrect Authorization. CVSS score: 3.0/10. Published 2026-04-07.
How severe is CVE-2026-5379?: Low severity. CVSS v3 base score is 3.0 out of 10.