CVE-2026-5383: runZero Explorer · Incorrect Authorization
Affects runZero ExplorerSource CVE Database V5
Not known to be exploited · CVSS 4.4 Medium : upgrade to 4.0.260208.0 when convenient.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.0.260208.0
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 7 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 Explorer to 4.0.260208.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| runZeroExplorer | Affected
| Fixed in
|
AI-suggested
A fix for this vulnerability is available in runZero Explorer version 4.0.260208.0. Users should upgrade to this version or later to remediate the issue. Patch status beyond this is not explicitly stated, so checking the vendor advisory for the latest remediation guidance is recommended.
Description
CVE-2026-5383 is an authorization vulnerability in runZero Explorer that allowed access to Explorer groups outside the authorized organization scope. This issue, classified as CWE-863 (Incorrect Authorization), could lead to limited integrity and availability impacts. The vulnerability has a CVSS 3.1 base score of 4.4 (medium severity) and was fixed in version 4.0.260208.0 of the product.