Is CVE-2026-27811 actively exploited?

CVE-2026-27811 has no public evidence of in-the-wild exploitation as of 2026-03-19.

What is the CVSS score for CVE-2026-27811?

CVE-2026-27811 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-27811?

Patch guidance is available from roxy-wi security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-27811.

Fix CVE-2026-27811 - HIGH roxy-wi roxy-wi

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-77 · Command Injection CWE-78 · OS Command Injection

Metadata

Primary Vendor: ROXY-WI
Published: 3/18/2026
Last Modified: 3/19/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-27811

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary