CVE-2026-5383: runZero Explorer missing authorization check
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.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2026-5383?
CVE-2026-5383 has a CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N indicating a high severity level.
How do I fix CVE-2026-5383?
To mitigate CVE-2026-5383, update runZero Explorer to version 4.0.260208.0 or later.
What does CVE-2026-5383 mean for my organization?
CVE-2026-5383 indicates a vulnerability allowing unauthorized access to Explorer groups, which could pose security risks if not addressed.
What systems are affected by CVE-2026-5383?
CVE-2026-5383 affects runZero Explorer and runZero Platform versions up to but not including 4.0.260208.0.
What is the vector for CVE-2026-5383?
The attack vector for CVE-2026-5383 is network-based, requiring an attacker to exploit incorrect authorization checks.