Improper Access Control in Tanium Server Allows Unauthorized Access

Publication date: 2026-01-30

Last updated on: 2026-03-09

Assigner: Tanium

Description

Tanium addressed an improper access controls vulnerability in Tanium Server.

CVSS Scores

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Meta Information

Published

2026-01-30

Last Modified

2026-03-09

Generated

2026-07-06

AI Q&A

2026-01-30

EPSS Evaluated

2026-07-05

NVD

CVE-2025-15322

Affected Vendors & Products

Vendor	Product	Version / Range
tanium	server	From 7.6.2.0 (inc) to 7.6.2.1327 (exc)
tanium	server	From 7.6.4.0 (inc) to 7.6.4.2160 (exc)
tanium	server	From 7.7.3.0 (inc) to 7.7.3.8231 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

CVE-2025-15322 is an improper access control vulnerability in Tanium Server. It allows an authenticated user who has the 'Ask Dynamic Questions' permission to gain unauthorized read-only access to data beyond what they are normally allowed to see. [1]

Impact Analysis

This vulnerability can impact you by allowing certain authenticated users to access sensitive data they should not have permission to view, potentially exposing confidential information without authorization. [1]

Mitigation Strategies

To mitigate this vulnerability, you should apply the respective Tanium Server updates: Update 22 or later for the 2024H1 release (v7.6.2.1327+), Update 11 or later for the 2024H2 release (v7.6.4.2160+), and Update 5 or later for the 2025H1 release (v7.7.3.8231+). No other workarounds or mitigations are available. [1]

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