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TAN-2026-088

Tanium addressed an unauthorized code execution vulnerability in Threat Response.

Severity: High

Base Score: 7.5

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

Impact

This vulnerability could allow an authenticated Tanium user with the Threat Response User and Interact Read-Only User roles to execute unauthorized code on endpoints running the SSH Known Hosts sensor.

Products Affected

2025H1 Release:

  • Threat Response prior to Update 27 (v4.9 to v4.9.480)

2025H2 Release:

  • Threat Response prior to Update 17 (v4.12 to v4.12.353)

2026H1 Release:

  • Threat Response prior to Update 10 (v4.17 to v4.17.333)

Available Updates

2025H1 Release:

  • Update 27 (Threat Response v4.9.480) and later

2025H2 Release:

  • Update 17 (Threat Response v4.12.353) and later

2026H1 Release:

  • Update 10 (Threat Response v4.17.333) and later

Workaround and Mitigations

None.

Acknowledgements

None.