CVE-2026-26833

| EUVD-2026-15463 CRITICAL
2026-03-25 mitre GHSA-mvhf-547c-h55r
9.8
CVSS 3.1
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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 25, 2026 - 16:16 vuln.today
EUVD ID Assigned
Mar 25, 2026 - 16:16 euvd
EUVD-2026-15463
CVE Published
Mar 25, 2026 - 00:00 nvd
CRITICAL 9.8

Tags

Code Injection RCE Command Injection

Description

thumbler through 1.1.2 allows OS command injection via the input, output, time, or size parameter in the thumbnail() function because user input is concatenated into a shell command string passed to child_process.exec() without proper sanitization or escaping.

Analysis

Thumbler through version 1.1.2 contains an OS command injection vulnerability in the thumbnail() function where user-supplied input from the input, output, time, or size parameters is directly concatenated into shell commands executed via Node.js child_process.exec() without sanitization or escaping. This allows unauthenticated attackers to execute arbitrary operating system commands with the privileges of the application process. …

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Remediation

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Validate that input sanitization is in place for all user-controlled parameters.

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: 0

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CVE-2026-26833 vulnerability details – vuln.today
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