CVE-2026-5373: An issue that allowed all-organization administrators to promote accounts to superuser status has been resolve
CVE-2026-5373 is a high-severity flaw (CVSS 8.1) affecting runzero platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue that allowed all-organization administrators to promote accounts to superuser status has been resolved. This is an instance of CWE-269: Improper Privilege Management, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N (8.1 High). This issue was fixed in version 4.0.260202.0 of the runZero Platform.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-269 |
| Published | 2026-04-07 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-5373?
runzero platform: upgrade to 4.0.260202.0. Exact commands for each OS are on this page.
Is CVE-2026-5373 being exploited?
CVE-2026-5373 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-5373 affect?
CVE-2026-5373 affects runzero platform. Severity is high (CVSS 8.1). An issue that allowed all-organization administrators to promote accounts to superuser status has been resolved. This is an instance of CWE-269: Improper Privilege Management, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:L/PR:H/UI:R/
How urgent is CVE-2026-5373?
Priority 31/100. High severity
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