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TAN-2026-062

Tanium addressed an information disclosure vulnerability in Tanium Server.

Severity: Medium

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Impact

This vulnerability could allow an authenticated Tanium user with no permissions to gain read-only access to data they should not have access to.

Products Affected

2025H1 Release:

  • Tanium Server prior to Update 26 (v7.7.3 to v7.7.3.8351)

2025H2 Release:

  • Tanium Server prior to Update 16 (v7.8.2 to v7.8.2.1263)

2026H1 Release:

  • Tanium Server prior to Update 9 (v7.8.4 to v7.8.4.1399)

Available Updates

2025H1 Release:

  • Update 26 (Tanium Server v7.7.3.8351) and later

2025H2 Release:

  • Update 16 (Tanium Server v7.8.2.1263) and later

2026H1 Release:

  • Update 9 (Tanium Server v7.8.4.1399) and later

Workaround and Mitigations

None.

Acknowledgements

None.