CVE-2026-5383

MEDIUM

runZero Explorer missing authorization check

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 4.4
EPSS 0.0006
EPSS Percentile 17.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (2)
runZero/Explorer < 4.0.260208.0
runzero/runzero_platform < 4.0.260208.0
Published Apr 07, 2026
Tracked Since Apr 07, 2026