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VulnerabilityPublished

CVE-2026-5378: runZero Platform · Incorrect Authorization

Affects runZero PlatformSource CVE Database V5

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Not known to be exploited · CVSS 5.8 Medium : upgrade to 4.0.260203.0 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
5.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.0.260203.0
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade runZero Platform to 4.0.260203.0.

Affected software

ProductAffectedFixed in
runZeroPlatformAffected
  • <4.0.260203.0
Fixed in
  • 4.0.260203.0

AI-suggested

Upgrade the runZero Platform to version 4.0.260203.0 or later, where this authorization issue has been fixed. Since the platform is not cloud-hosted and no official remediation level is specified beyond the fix version, applying this update is the recommended mitigation. Patch status is confirmed by the vendor stating the issue is resolved in the specified version.

Description

CVE-2026-5378 is an incorrect authorization vulnerability in the runZero Platform that allowed administrators to create and update users outside their authorized organization scope. This issue, classified as CWE-863, was resolved in version 4.0.260203.0 of the platform. The vulnerability has a CVSS 3.1 base score of 5.8 (medium severity) and involves a scenario where an attacker with high privileges could impact the integrity of user management across organizational boundaries. No known exploits are reported in the wild, and the platform is not a cloud service.

References

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