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Information disclosure in Tanium Discover

Priority LOW 19CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

Tanium Discover from 4.19.0 before 4.19.137, from 4.15.0 before 4.15.218, and from 4.10.0 before 4.10.204 is affected. The source description says the product discloses sensitive information to an unauthorized actor (CWE-200). A remote attacker with low privileges and no user interaction can read information they should not see, with a low impact on confidentiality.

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

Description from the CNA

Tanium addressed an information disclosure vulnerability in Discover.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00219 12th percentileScored 2026-11-07
Fix Fixed Discover (Tanium): 4.19.137, 4.15.218, 4.10.204

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
TaniumDiscover4.19.0 to before 4.19.137; 4.15.0 to before 4.15.218; 4.10.0 to before 4.10.2044.19.137, 4.15.218, 4.10.204Patch availableCNA
  • Discover VendorTanium Affected 4.19.0 to before 4.19.137; 4.15.0 to before 4.15.218; 4.10.0 to before 4.10.204 Fixed in 4.19.137, 4.15.218, 4.10.204 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tanium:discover:*:*:*:*:*:*:*:*4.10.0 to before 4.10.204; 4.15 to before 4.15.218; 4.19.0 to before 4.19.137VulnerableTanium
  • cpe:2.3:a:tanium:discover:*:*:*:*:*:*:*:* Versions 4.10.0 to before 4.10.204; 4.15 to before 4.15.218; 4.19.0 to before 4.19.137 Vulnerable ·Tanium

Remediation

Upgrade Tanium Discover to 4.19.137, 4.15.218, or 4.10.204, depending on the release branch in use.

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

  • Fix · CNA Discover (Tanium) Fixed in 4.19.137, 4.15.218, 4.10.204

Fixed in the same release

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

  • Release ·

    Tanium Discover 4.10.204, 4.15.218, 4.19.137

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-84829 Uncontrolled resource consumption in Tanium DiscoverPriority LOW 20
    • TI-2026-84828 Improper access controls in Tanium DiscoverPriority LOW 19
    • TI-2026-84826 Information disclosure in Tanium DiscoverPriority LOW 19

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-116666
  2. 2026-11-04 Alias added: GHSA-qqw2-24q8-962j
  3. 2026-11-06 CISA SSVC decision points changed

References

Advisory 1

  • TI-2025-13992 Tanium addressed an incorrect default permissions vulnerability in Discover. CVSS 3.1MEDIUM 6.5
  • TI-2026-00945 Tanium addressed an uncontrolled resource consumption vulnerability in Discover. CVSS 3.1MEDIUM 6.5
  • TI-2026-84830 Improper access controls in Tanium Discover expose confidential data CVSS 3.1MEDIUM 6.5
  • TI-2025-13978 Tanium addressed an improper input validation vulnerability in Discover. CVSS 3.1MEDIUM 6.3
  • TI-2026-00698 Tanium addressed an improper input validation vulnerability in Discover. CVSS 3.1MEDIUM 4.9
  • TI-2026-84829 Uncontrolled resource consumption in Tanium Discover CVSS 3.1MEDIUM 4.3
See all 10 →

Sources