Vulnerability · Published Apr 7, 2026 · Assigned by runZero

CVE-2026-5376runZero Platform session timeout failure

Medium 5.9

In plain English

A medium-severity security flaw in Platform from runZero. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium

Exploit odds (30 days)0.2%top 87.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
runZero	Platform	0 – before 4.0.260203.0

Weakness: CWE-613 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

References

https://help.runzero.com/docs/release-notes/#402602030 release-notes
https://www.runzero.com/advisories/runzero-platform-session-timeout-failure-cve-2026-5376/ vendor-advisory