CVE-2026-27811

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 v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/roxy-wi/roxy-wi/commit/a10ac7306c252014f97a7213db4a9470300fa064	Patch
https://github.com/roxy-wi/roxy-wi/releases/tag/v8.2.6.3	Product Release Notes
https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-jvmv-cw47-jh77	Exploit Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:roxy-wi:roxy-wi:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-18 00:16

Updated : 2026-03-19 18:00

NVD link : CVE-2026-27811

Mitre link : CVE-2026-27811

CVE.ORG link : CVE-2026-27811

JSON object : View

Products Affected

roxy-wi

roxy-wi

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2026-27811", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2026-03-18T00:16:19.427", "references": [{"url": "https://github.com/roxy-wi/roxy-wi/commit/a10ac7306c252014f97a7213db4a9470300fa064", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/roxy-wi/roxy-wi/releases/tag/v8.2.6.3", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-jvmv-cw47-jh77", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-77"}, {"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Roxy-WI es una interfaz web para gestionar servidores Haproxy, Nginx, Apache y Keepalived. Antes de la versi\u00f3n 8.2.6.3, existe una vulnerabilidad de inyecci\u00f3n de comandos en el endpoint '/config/compare///show', que permit\u00eda a usuarios autenticados ejecutar comandos de sistema arbitrarios en el host de la aplicaci\u00f3n. La vulnerabilidad se encuentra en 'app/modules/config/config.py' en la l\u00ednea 362, donde la entrada del usuario se formatea directamente en la cadena de plantilla que finalmente se ejecuta. La versi\u00f3n 8.2.6.3 corrige el problema."}], "lastModified": "2026-03-19T18:00:58.453", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:roxy-wi:roxy-wi:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F8C30DD-5F13-4330-8E8D-43C31AB41F5C", "versionEndExcluding": "8.2.6.3"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}