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CVE-2025-26496

Tableau Server type confusion

9.3 CRITICALEPSS 0.21%
  1. Published22 Aug 2025

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Tableau Server≥ 2024.2 < 2024.2.12 · ≥ 2025.1 < 2025.1.3 · < 2023.3.19

Remediation

Fixed in
Tableau Server≥ 2024.2.12

References

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Frequently asked

Is CVE-2025-26496 being actively exploited?

CVE-2025-26496 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.21%.

How severe is CVE-2025-26496?

CVE-2025-26496 has a CVSS 3.1 base score of 9.3, rated critical. EPSS estimates a 0.21% probability of exploitation.

Which products are affected by CVE-2025-26496?

Affected products include Tableau Server.

How do I fix CVE-2025-26496?

Upgrade affected software to a fixed version, for example Tableau Server 2024.2.12 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-26496 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.