CVE-2026-22781

CRITICAL
2026-01-12 [email protected]
9.8
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Jan 16, 2026 - 18:44 nvd
Patch available
CVE Published
Jan 12, 2026 - 19:16 nvd
CRITICAL 9.8

Tags

Windows Command Injection Tinyweb

Description

TinyWeb is a web server (HTTP, HTTPS) written in Delphi for Win32. TinyWeb HTTP Server before version 1.98 is vulnerable to OS command injection via CGI ISINDEX-style query parameters. The query parameters are passed as command-line arguments to the CGI executable via Windows CreateProcess(). An unauthenticated remote attacker can execute arbitrary commands on the server by injecting Windows shell metacharacters into HTTP requests. This vulnerability is fixed in 1.98.

Analysis

TinyWeb HTTP Server before 1.98 has OS command injection via CGI ISINDEX query parameters. The query string is passed as command-line arguments to CGI executables through Windows CreateProcess(), allowing unauthenticated RCE. …

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 24 hours: Identify all affected systems running Delphi for Win32. TinyWeb HTTP Server and apply vendor patches immediately. …

Sign in for detailed remediation steps.

Full analysis requires sign-in

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

Sign in - Free

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +0.6
CVSS: +49
POC: 0

Share

CVE-2026-22781 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy