CVE-2025-26496 Code injection in Tableau Server, Tableau Desktop

Critical 9.3 Published 22 Aug 2025 Updated 26 Feb 2026

A type confusion vulnerability in Tableau allows local code inclusion, enabling attackers to execute arbitrary code on affected systems.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-26496?

CVE-2025-26496 is a critical code injection vulnerability in Salesforce Tableau Server, Tableau Desktop, published on 22 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-843

Which versions are affected by CVE-2025-26496?

It affects 1 product.

Products include Tableau Tableau Server.

How do I fix CVE-2025-26496?

No fix has been published for CVE-2025-26496 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2025-26496 being exploited?

There is no known exploitation of CVE-2025-26496 in the wild and no public exploit code.

Sources

Also known as GHSA-pf6x-cjmp-qqqq.