CVE-2025-26496CWE-843

Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Salesforce Tableau Server, Tableau Desktop on Windows, Linux (File Upload…

Critical · published August 22, 2025

CVSS v3.1
9.3
EPSS
0%
Percentile
10.3
In the wild
Unconfirmed
What it is

🚨 A sneaky type confusion in Salesforce Tableau Server and Desktop could let anyone slip in local code like an uninvited guest crashing a party! 🔥 Think of it as a restaurant that mistakenly serves a vegetarian meal to someone who ordered steak — the kitchen doesn't check the details properly, and anyone could take advantage of this mix-up to serve their own dish instead! An attacker could leverage this flaw to execute malicious code within your system, potentially gaining complete control over confidential data and resources. With versions before 2025.1.3, 2024.2.12, and 2023.3.19 affected, the risks are absolutely devastating if left unfixed!

Put simply

Think of it as a restaurant that mistakenly serves a vegetarian meal to someone who ordered steak — the kitchen doesn't check the details properly, and anyone could take advantage of this mix-up to serve their own dish instead! This vulnerability stems from incompatible type handling in file upload modules, allowing local code inclusion, which means that attackers can exploit this weakness to run their own code on the server.

What to do

An attacker could leverage this flaw to execute malicious code within your system, potentially gaining complete control over confidential data and resources. With versions before 2025.1.3, 2024.2.12, and 2023.3.19 affected, the risks are absolutely devastating if left unfixed! Immediately upgrade Tableau Server and Desktop to versions 2025.1.3, 2024.2.12, or 2023.3.19 to eliminate the risk. Additionally, review your file upload configurations to ensure no unauthorized code can be executed. Stay vigilant! You've got this! Patch up those versions and lock down your systems like a pro! 🛡️

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00207 · 10.3th percentile
Weakness
CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')
Published
2025-08-22T20:10Z
EPSS history
Timeline
  • 22 AUG 20:10Z
    Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Salesforce Tableau Server, Tableau Desktop on Windows, Linux (File Upload…
    cvelistv5