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TI-2026-81471 Aliases CVE-2026-108326GHSA-p4pr-xhj6-jr9m

Improper certificate validation in Tanium Stream Client Extension

Priority LOW 28CWE-295Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

Tanium Endpoint Configuration Toolset Solution and cx-stream do not properly validate certificates. Improper certificate validation (CWE-295) lets the software accept certificates it should reject. A remote unauthenticated attacker can read sensitive data and partially disrupt availability, under high attack complexity.

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

Description from the CNA

Tanium addressed an improper certificate validation vulnerability in Stream Client Extension.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00176 7th percentileScored 2026-11-07
Fix Fixed Endpoint Configuration Toolset Solution (Tanium): 1.51.60, 1.59.50, 1.71.25cx-stream (Tanium): 2.4.1184, 2.7.1160, 2.8.1465 +1

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
Taniumcx-stream2.4.1184 to before 2.4.1184; 2.7.1160 to before 2.7.1160; 2.8.1465 to before 2.8.1465; 2.9.561 to before 2.9.5612.4.1184, 2.7.1160, 2.8.1465, 2.9.561Patch 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
  • cx-stream VendorTanium Affected 2.4.1184 to before 2.4.1184; 2.7.1160 to before 2.7.1160; 2.8.1465 to before 2.8.1465; 2.9.561 to before 2.9.561 Fixed in 2.4.1184, 2.7.1160, 2.8.1465, 2.9.561 Patch available CNA

Remediation

Upgrade Tanium Endpoint Configuration Toolset Solution to 1.51.60, 1.59.50 or 1.71.25, matching the release line in use. Upgrade cx-stream to 2.4.1184, 2.7.1160, 2.8.1465 or 2.9.561, matching 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 cx-stream (Tanium) Fixed in 2.4.1184, 2.7.1160, 2.8.1465, 2.9.561

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
    Show all 10 records →

Timeline

  1. 2026-10-27 Threatist record created from CVE-2026-108326
  2. 2026-10-27 Alias added: GHSA-p4pr-xhj6-jr9m
  3. 2026-10-28 Priority changed: MEDIUM → LOW
  4. 2026-11-04 CISA SSVC decision points changed

References

Other 1

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences