Auth bypass in Runzero Platform

CVE-2026-5381

An issue that could expose task information 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:U/C:L/I:N/A:N (2.2 Low). This issue was fixed in version 4.0.260205.0 of the runZero Platform.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.2 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-5381: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5381?
CVE-2026-5381 is a low-severity vulnerability in Runzero Platform, classified under Incorrect Authorization. CVSS score: 2.2/10. Published 2026-04-07.
How severe is CVE-2026-5381?
Low severity. CVSS v3 base score is 2.2 out of 10.