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9.3

Tableau Server and Desktop Allow Malicious Code to Run on Your Computer

CVE-2025-26496 · published 1 year ago
Summary

Certain versions of Tableau Server and Desktop are vulnerable to a security issue that could allow malicious code to run on your computer. This means that if you're using an affected version, it's possible for someone to upload a file that could compromise your system. To stay safe, update to the latest version of Tableau Server or Desktop.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
tableau tableau_server < 2023.3.19
>= 2024.2, < 2024.2.12
>= 2025.1, < 2025.1.3
cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*
Original advisory text
Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Salesforce Tableau Server, Tableau Desktop on Windows, Linux (File Upload modules) allows Local Code Inclusion.This is...
Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Salesforce Tableau Server, Tableau Desktop on Windows, Linux (File Upload modules) allows Local Code Inclusion.This issue affects Tableau Server, Tableau Desktop: before 2025.1.3, before 2024.2.12, before 2023.3.19.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.3 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-843Type Confusion
Timeline
Published22 Aug 2025
Updated29 Oct 2026
First seen7 Mar 2026
Sources
CVE-2025-26496 · NVD
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