What is CVE-2026-27811?

CVE-2026-27811 is a high-severity vulnerability in Roxy-wi, classified under Command Injection. CVSS score: 8.8/10. Published 2026-03-17.

How severe is CVE-2026-27811?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Roxy-wi

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 u…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.011 (78.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Roxy-wi — versions < 8.2.6.3

Weakness classification (CWE)

References

https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-jvmv-cw47-jh77 (x_refsource_CONFIRM)
https://github.com/roxy-wi/roxy-wi/commit/a10ac7306c252014f97a7213db4a9470300fa064 (x_refsource_MISC)
https://github.com/roxy-wi/roxy-wi/releases/tag/v8.2.6.3 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27811?: CVE-2026-27811 is a high-severity vulnerability in Roxy-wi, classified under Command Injection. CVSS score: 8.8/10. Published 2026-03-17.
How severe is CVE-2026-27811?: High severity. CVSS v3 base score is 8.8 out of 10.