CVE-2026-26833

CRITICAL EPSS 81.2%
Published Mar 25, 20263mo ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Mar 25, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
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

Threat Intelligence

EPSS Exploit Probability
81.2% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-78 OS Command Injection Injection
CWE-94 Improper Control of Generation of Code (Code Injection) Injection

Affected Products 1

VendorProductVersionRange
mmahrousthumbler* ≤1.1.2

References 4

  • github.com https://github.com/mmahrous/thumbler
    Product
  • github.com https://github.com/mmahrous/thumbler/blob/master/lib/thumbler.js
    Not Applicable
  • github.com https://github.com/zebbernCVE/CVE-2026-26833
    ExploitVendor Advisory
  • npmjs.com https://www.npmjs.com/package/thumbler
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.