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

CVE-2026-27811 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of Apache are affected by CVE-2026-27811?

Roxy-WI versions prior to 8.2.6.3 contain a critical command injection vulnerability allowing authenticated users to execute arbitrary commands on infrastructure management servers.

Apache CVE-2026-27811

HIGH

Command Injection (CWE-77)

2026-03-18 security-advisories@github.com

Apache Command Injection Nginx

8.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 18, 2026 - 00:30 vuln.today

CVE Published

Mar 18, 2026 - 00:16 nvd

HIGH 8.8

DescriptionNVD

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.

AnalysisAI

Roxy-WI versions prior to 8.2.6.3 contain a command injection vulnerability in the configuration comparison endpoint that allows authenticated users to execute arbitrary system commands on the host server. The flaw stems from unsanitized user input being directly embedded into template strings executed by the application. …

RemediationAI

Within 24 hours: Inventory all Roxy-WI deployments and verify current versions; restrict access to the /config/compare/ endpoint to essential personnel only; enable enhanced logging on affected systems. Within 7 days: Implement network segmentation to isolate Roxy-WI hosts from production infrastructure; deploy WAF rules to block malicious payloads targeting the vulnerable endpoint; conduct access reviews of all Roxy-WI user accounts. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

More from same product – last 7 days

CVE-2025-48977 HIGH This Week

8.5 May 28

Path traversal in Apache Ignite 2.0.0 through 2.17.0 lets authenticated REST API users read arbitrary files on the serve

CVE-2026-9256 HIGH This Week

8.1 May 22

Heap buffer overflow in NGINX Plus and NGINX Open Source ngx_http_rewrite_module allows unauthenticated remote attackers

CVE-2026-42782 HIGH This Week

7.2 May 25

Code execution via Groovy sandbox bypass in Apache Syncope 3.0 through 3.0.16, 4.0 through 4.0.5, and 4.1.0 allows a hig

CVE-2026-43827 MEDIUM This Month

5.9 May 25

Default configurations of Apache Shiro have a session fixation vulnerability. This issue affects Apache Shiro from 1.0

CVE-2026-43828 MEDIUM This Month

5.9 May 25

Default configurations of Apache Shiro send sensitive cookies in HTTPS session without 'Secure' attribute. This issue

CVE-2026-27811 vulnerability details – vuln.today

Back

Apache CVE-2026-27811

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

More from same product – last 7 days

Share

External POC / Exploit Code