8.8
HIGH CVSS 4.0
CVE-2026-8331
TimePictra ermote code execution via file upload
Description

An unrestricted upload of files with dangerous type vulnerability in the Microchip TimePictra platform allows functionality not properly constrained by access control lists, potentially resulting in remote code execution.

INFO

Published Date :

Nov. 12, 2026, 7:16 a.m.

Last Modified :

Nov. 12, 2026, 7:16 a.m.

Remotely Exploit :

Yes !

Source :

dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
Affected Products

The following products are affected by CVE-2026-8331 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.

ID Vendor Product Action
1 Microchip timepictra
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 HIGH dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
CVSS 4.0 HIGH dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
Solution
Restrict file uploads and enforce access controls to prevent unauthorized code execution.
  • Update the platform to enforce access controls.
  • Configure upload functionality strictly.
  • Implement checks for dangerous file types.
  • Review access control lists.
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-2026-8331.

URL Resource
https://www.gruppotim.it/en/footer/TIM-red-team.html
https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timepictra-remote-code-execution-via-file-upload
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-8331 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-2026-8331 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-2026-8331 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-8331 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 dc3f6da9-85b5-4a73-84a2-2ec90b40fca5

    Nov. 12, 2026

    Action Type Old Value New Value
    Added Description An unrestricted upload of files with dangerous type vulnerability in the Microchip TimePictra platform allows functionality not properly constrained by access control lists, potentially resulting in remote code execution.
    Added CVSS V4.0 AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-434
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/8xxx/CVE-2026-8331.json">CVE-2026-8331</a>
    Added Reference https://www.gruppotim.it/en/footer/TIM-red-team.html
    Added Reference https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timepictra-remote-code-execution-via-file-upload
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.