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Tanium Threat Response improper input validation flaw

Priority LOW 28CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Tanium Threat Response versions from 4.9 before 4.9.480, from 4.12 before 4.12.353, and from 4.17 before 4.17.333 contain an improper input validation flaw (CWE-20). A remote attacker with low privileges can exploit it over the network to reduce confidentiality, with no effect on integrity or availability. The CVSS 3.1 base score is 6.5 (medium).

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Tanium addressed an improper input validation vulnerability in Threat Response.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0027 19th percentileScored 2026-11-07
Fix Fixed Threat Response (Tanium): 4.9.480, 4.12.353, 4.17.333

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TaniumThreat Response4.9 to before 4.9.480; 4.12 to before 4.12.353; 4.17 to before 4.17.3334.9.480, 4.12.353, 4.17.333Patch availableCNA
  • Threat Response VendorTanium Affected 4.9 to before 4.9.480; 4.12 to before 4.12.353; 4.17 to before 4.17.333 Fixed in 4.9.480, 4.12.353, 4.17.333 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:tanium:threat_response:*:*:*:*:*:*:*:*——Tanium
  • cpe:2.3:a:tanium:threat_response:*:*:*:*:*:*:*:* Versions — — ·Tanium

Remediation

Upgrade Tanium Threat Response to version 4.9.480, 4.12.353, or 4.17.333, depending on the release branch in use.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA Threat Response (Tanium) Fixed in 4.9.480, 4.12.353, 4.17.333

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Tanium Threat Response 4.12.353, 4.17.333, 4.9.480

    7 records Highest priority Priority LOW 7 LOW

    Other records, highest priority first

    • TI-2026-84819 Unauthorized code execution in Tanium Threat ResponsePriority LOW 35
    • TI-2026-84818 Tanium Threat Response unauthorized code execution vulnerabilityPriority LOW 35
    • TI-2026-84838 Improper certificate validation in multiple Tanium productsPriority LOW 34

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-116654
  2. 2026-11-04 Alias added: GHSA-6r5f-cj83-v9rm
  3. 2026-11-05 Priority changed: MEDIUM → LOW
  4. 2026-11-06 CISA SSVC decision points changed

References

  • TI-2026-81473 Unauthorized code execution in Tanium Threat Response CVSS 3.1HIGH 8.8
  • TI-2026-81459 Tanium Certificate Manager unauthorized code execution vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-59476 Tanium addressed a SQL injection vulnerability in Threat Response. CVSS 3.1HIGH 8.8
  • TI-2026-08094 Tanium addressed an unauthorized code execution vulnerability in Connect. CVSS 3.1HIGH 8.8
  • TI-2026-08093 Tanium addressed an unauthorized code execution vulnerability in Connect. CVSS 3.1HIGH 8.8
  • TI-2025-13983 Tanium addressed an improper input validation vulnerability in Deploy. CVSS 3.1HIGH 8.8
See all 135 →

Sources