What is CVE-2026-5376?

CVE-2026-5376 is a medium-severity vulnerability in Runzero Platform, classified under Insufficient Session Expiration. CVSS score: 5.9/10. Published 2026-04-07.

How severe is CVE-2026-5376?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Runzero Platform

CVE-2026-5376

An issue that could prevent session inactivity timeouts from triggering due to automatic page reloading has been resolved. This is an instance of CWE-613: Insufficient Control of Resources After Expiration or Release, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N (5.9 Medium). This issue was fixed in version 4.0.260203.0 of the runZero Platform.

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

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Runzero Platform — versions 0
Runzero Platform

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

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-2026-5376?: CVE-2026-5376 is a medium-severity vulnerability in Runzero Platform, classified under Insufficient Session Expiration. CVSS score: 5.9/10. Published 2026-04-07.
How severe is CVE-2026-5376?: Medium severity. CVSS v3 base score is 5.9 out of 10.