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CVE-2026-5384: An issue that could allow a credential to be updated and used for a task from outside of the authorized organi

23
Routine
MEDIUM 5.8UPGRADE

CVE-2026-5384 is a medium-severity flaw (CVSS 5.8) affecting runzero platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue that could allow a credential to be updated and used for a task 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:H/I:N/A:N (5.8 Medium). This issue was fixed in version 4.0.26021.0 of the runZero Platform.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score5.8 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededHigh
User interactionNone
EPSS exploit chance0.2% (top 89%)
CISA exploited listNo
WeaknessCWE-863
Published2026-04-07
Last modified2026-10-26
Publisher (CNA): runZero · Vendor: runzero

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

runzero runzero platform UPGRADE
Affected: < 4.0.26021.0
Fixed in: 4.0.26021.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy runzero-platform || rpm -q runzero-platform || runzero-platform --version
2. UPGRADE to 4.0.26021.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade runzero-platform
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade runzero-platform
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-5384?

runzero platform: upgrade to 4.0.26021.0. Exact commands for each OS are on this page.

Is CVE-2026-5384 being exploited?

CVE-2026-5384 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-2026-5384 affect?

CVE-2026-5384 affects runzero platform. Severity is medium (CVSS 5.8). An issue that could allow a credential to be updated and used for a task 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

How urgent is CVE-2026-5384?

Priority 23/100. No elevated risk signals yet.

Related CVEs

References

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