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

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

- **Severity:** Critical 9.3 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Aug 2025
- **Updated:** 26 Feb 2026
- **Also known as:** GHSA-pf6x-cjmp-qqqq

## 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 (Access of Resource Using Incompatible Type)

## Which versions are affected by CVE-2025-26496?

It affects 1 product.


Products: 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.

## Is CVE-2025-26496 being exploited?

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

## Other vulnerabilities in Salesforce Tableau Server, Tableau Desktop

- [CVE-2022-22128](https://insights.sbomify.com/CVE-2022-22128/): Path traversal in Tableau Server (critical 9.8)
- [CVE-2020-6939](https://insights.sbomify.com/CVE-2020-6939/): Missing authorization in Tableau Server (critical 9.8)
- [CVE-2025-52451](https://insights.sbomify.com/CVE-2025-52451/): Path traversal in Tableau Server (high 8.5)
- [CVE-2025-52449](https://insights.sbomify.com/CVE-2025-52449/): File upload in Tableau Server (high 8.5)
- [CVE-2025-52452](https://insights.sbomify.com/CVE-2025-52452/): Path traversal in Tableau Server (high 8.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-26496 and fix it if it is affected.

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

Affected product: Salesforce Tableau Server, Tableau Desktop. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-26496/ (Markdown: https://insights.sbomify.com/CVE-2025-26496/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-26496
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-26496
- OSV: https://osv.dev/vulnerability/CVE-2025-26496

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-26496/
Summaries are generated and may contain mistakes; the official description above is the record.