CVE-2026-5383

runZero Explorer missing authorization check

CVSS 4.4 MEDIUMEPSS 0.2%CWE-863

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.4EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

07 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An issue that could allow access to Explorer groups 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:N/I:L/A:L (4.4 Medium). This issue was fixed in version 4.0.260208.0 of the runZero Explorer.

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

Affected products

runZero · Explorer

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References

https://help.runzero.com/docs/release-notes/#402602080 https://www.runzero.com/advisories/runzero-explorer-cve-2026-5383/