CVE-2026-5379 json
runZero Platform MCP certification information leak
published 2026-04-07 7 mo ago modified 2026-10-25 14 d ago also EUVD-2026-19696
- cvss
- 3.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 1%
- public exploits
- 0
- none known
Summary
An issue that allowed MCP agents to access certificate information from outside of their 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:L/I:N/A:N (3.0 Low). This issue was fixed in version 4.0.260203.0 of the runZero Platform.
Patch / fix
- runZero Platform 4.0.260203.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.12% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.0 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N |
Affected products
- runZero Platform
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
runzero.com
/advisories/runzero-platform-mcp-cert-infoleak-cve-2026-5379/
vendor-advisory
-
help.runzero.com
/docs/release-notes/#402602030
release-notes
Sources
- CVE List CVE-2026-5379
- NVD CVE-2026-5379
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.