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Uncontrolled resource use in Tanium Performance Client Extension

Priority LOW 24CWE-770Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

Tanium Endpoint Configuration Toolset Solution versions from 1.51 before 1.51.60, from 1.59 before 1.59.50 and from 1.71 before 1.71.25 are affected, and the performance-cx package is also affected. The flaw is an allocation of resources without limits (CWE-770), so the software does not restrict how much resource it consumes. A local user with low privileges can exhaust resources and degrade availability, and no user interaction is needed.

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

Description from the CNA

Tanium addressed an uncontrolled resource consumption vulnerability in Performance Client Extension.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0011 1st percentileScored 2026-11-07
Fix Fixed Endpoint Configuration Toolset Solution (Tanium): 1.51.60, 1.59.50, 1.71.25performance-cx (Tanium): 2.7.648, 2.8.2110, 2.9.1165 +3

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
TaniumEndpoint Configuration Toolset Solution1.51 to before 1.51.60; 1.59 to before 1.59.50; 1.71 to before 1.71.251.51.60, 1.59.50, 1.71.25Patch availableCNA
Taniumperformance-cx2.7.648 to before 2.7.648; 2.8.2110 to before 2.8.2110; 2.9.1165 to before 2.9.1165; 2.11.1312 to before 2.11.1312; 2.13.1010 to before 2.13.1010; 2.14.56 to before 2.14.562.7.648, 2.8.2110, 2.9.1165, 2.11.1312, 2.13.1010, 2.14.56Patch availableCNA
  • Endpoint Configuration Toolset Solution VendorTanium Affected 1.51 to before 1.51.60; 1.59 to before 1.59.50; 1.71 to before 1.71.25 Fixed in 1.51.60, 1.59.50, 1.71.25 Patch available CNA
  • performance-cx VendorTanium Affected 2.7.648 to before 2.7.648; 2.8.2110 to before 2.8.2110; 2.9.1165 to before 2.9.1165; 2.11.1312 to before 2.11.1312; 2.13.1010 to before 2.13.1010; 2.14.56 to before 2.14.56 Fixed in 2.7.648, 2.8.2110, 2.9.1165, 2.11.1312, 2.13.1010, 2.14.56 Patch available CNA

Remediation

Update Tanium Endpoint Configuration Toolset Solution to version 1.51.60, 1.59.50 or 1.71.25, depending on the release line in use. Update performance-cx to version 2.7.648, 2.8.2110, 2.9.1165, 2.11.1312, 2.13.1010 or 2.14.56, depending on the release line in use.

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

  • Fix · CNA Endpoint Configuration Toolset Solution (Tanium) Fixed in 1.51.60, 1.59.50, 1.71.25
  • Fix · CNA performance-cx (Tanium) Fixed in 2.7.648, 2.8.2110, 2.9.1165, 2.11.1312, 2.13.1010, 2.14.56

Fixed in the same release

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

  • Release ·

    Tanium Endpoint Configuration Toolset Solution 1.51.60, 1.59.50, 1.71.25

    10 records Highest priority Priority LOW 10 LOW

    Other records, highest priority first

    • TI-2026-81463 Heap-based buffer overflow in Tanium IndexPriority LOW 35
    • TI-2026-81462 Local privilege escalation in Tanium End-User NotificationsPriority LOW 35
    • TI-2026-81461 Local privilege escalation in Tanium End-User NotificationsPriority LOW 35

Timeline

  1. 2026-10-27 Threatist record created from CVE-2026-108309
  2. 2026-10-27 Alias added: GHSA-56cf-2mrw-cg3v
  3. 2026-10-28 Priority changed: MEDIUM → LOW
  4. 2026-11-04 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