Is CVE-2026-5379 actively exploited?

No active exploitation of CVE-2026-5379 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5379 be exploited remotely?

Yes. CVE-2026-5379 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5379?

CVE-2026-5379 has a CVSS score of 3.0 (LOW).

HOME VULNERABILITIESCVE-2026-5379

LOW

CVE-2026-5379

CWE-863Published: April 7, 2026· Updated: Apr 8, 2026

3.0

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.3th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-5379 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.