CVE-2026-26833
Thumbler Command Injection Vulnerability
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.
INFO
Published Date :
March 25, 2026, 4:16 p.m.
Last Modified :
March 25, 2026, 4:16 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-26833
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Validate and sanitize all user-supplied parameters.
- Avoid direct concatenation of user input into shell commands.
- Use safer alternatives to child_process.exec if possible.
- Update thumbler to a version that addresses this vulnerability.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-26833.
| URL | Resource |
|---|---|
| https://github.com/mmahrous/thumbler | |
| https://github.com/mmahrous/thumbler/blob/master/lib/thumbler.js | |
| https://github.com/zebbernCVE/CVE-2026-26833 | |
| https://www.npmjs.com/package/thumbler |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26833 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-26833
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26833 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-26833 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Mar. 25, 2026
Action Type Old Value New Value Added 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. Added Reference https://github.com/mmahrous/thumbler Added Reference https://github.com/mmahrous/thumbler/blob/master/lib/thumbler.js Added Reference https://github.com/zebbernCVE/CVE-2026-26833 Added Reference https://www.npmjs.com/package/thumbler