CyberSecBulletin
CVE-2025-26496NVD status: Analyzed

Tableau Server, Tableau Desktop: Access of Resource Using Incompatible Type

Published Updated By the CyberSecBulletin desk

CVE-2025-26496 is a critical-severity access of resource using incompatible type vulnerability in Tableau Server, Tableau Desktop from Salesforce, with a CVSS 3.1 base score of 9.3 out of 10. It can be exploited with local access to the system by an unauthenticated attacker, without any action from a user. The record lists versions 2025.1.3, 2024.2.12, 2023.3.19 as the first without the flaw, so updating Tableau Server, Tableau Desktop to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.21% chance of exploitation within 30 days, which is low compared with other CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Update Tableau Server, Tableau Desktop to 2025.1.3 or 2024.2.12 or 2023.3.19, whichever matches your release line, or a later version.
  2. Update Tableau Server to 2023.3.19 or 2024.2.12 or 2025.1.3, whichever matches your release line, or a later version.
  3. Read the advisory on help.salesforce.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
SalesforceTableau Server, Tableau Desktopbefore 2025.1.3; before 2024.2.12; before 2023.3.192025.1.3, 2024.2.12, 2023.3.19
TableauTableau Serverbefore 2023.3.19; 2024.2 up to, but not including, 2024.2.12; 2025.1 up to, but not including, 2025.1.32023.3.19, 2024.2.12, 2025.1.3

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
ChangedThe attack can reach beyond the vulnerable component into other systems.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. Scored by CISA (ADP).

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.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Access of Resource Using Incompatible Type

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

More Access of Resource Using Incompatible Type vulnerabilities (CWE-843)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other references

Recent Access of Resource Using Incompatible Type vulnerabilities

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