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CVE-2026-27811

Roxy-wi command injection

8.8 HIGHPublic exploitEPSS 3.02%
  1. Published17 Mar 2026

Description

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.3, a command injection vulnerability exists in the `/config/compare/<service>/<server_ip>/show` endpoint, allowed authenticated users to execute arbitrary system commands on the app host. The vulnerability exists in `app/modules/config/config.py` on line 362, where user input is directly formatted in the template string that is eventually executed. Version 8.2.6.3 fixes the issue.

CVSS 3.1 breakdown

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

Affected products

Roxy-wi< 8.2.6.3

Remediation

Fixed in
Roxy-wi≥ 8.2.6.3

References

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Frequently asked

Is CVE-2026-27811 being actively exploited?

CVE-2026-27811 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 3.02%.

How severe is CVE-2026-27811?

CVE-2026-27811 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 3.02% probability of exploitation.

Which products are affected by CVE-2026-27811?

Affected products include Roxy-wi.

How do I fix CVE-2026-27811?

Upgrade affected software to a fixed version, for example Roxy-wi 8.2.6.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-27811 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.