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CVE-2026-6204

Librenms remote code execution

7.2 HIGHPublic exploitEPSS 0.93%
  1. Published13 Apr 2026

Description

LibreNMS versions before 26.3.0 are affected by an authenticated remote code execution vulnerability by abusing the Binary Locations config and the Netcommand feature. Successful exploitation requires administrative privileges. Exploitation could result in compromise of the underlying web server.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Librenms< 26.3.0

Remediation

Fixed in
Librenms≥ 26.3.0

References

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Frequently asked

Is CVE-2026-6204 being actively exploited?

CVE-2026-6204 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.93%.

How severe is CVE-2026-6204?

CVE-2026-6204 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 0.93% probability of exploitation.

Which products are affected by CVE-2026-6204?

Affected products include Librenms.

How do I fix CVE-2026-6204?

Upgrade affected software to a fixed version, for example Librenms 26.3.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-6204 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.