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TI-2026-84830 Aliases CVE-2026-116669GHSA-c26r-j37v-rrcr

Improper access controls in Tanium Discover expose confidential data

Priority LOW 28CWE-639Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Tanium Discover from 4.19.0 before 4.19.137 is affected. The flaw is an authorization bypass through a user-controlled key (CWE-639), so access checks can be circumvented. A remote attacker with low privileges and no user interaction can read highly confidential data.

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

Description from the CNA

Tanium addressed an improper access controls vulnerability in Discover.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00248 16th percentileScored 2026-11-07
Fix Fixed Discover (Tanium): 4.19.137

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 4.19.1374.19.137Patch availableCNA
  • Discover VendorTanium Affected 4.19.0 to before 4.19.137 Fixed in 4.19.137 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

Update Tanium Discover to version 4.19.137, the fixed version.

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

  • Fix · CNA Discover (Tanium) Fixed in 4.19.137

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-116669
  2. 2026-11-04 Alias added: GHSA-c26r-j37v-rrcr
  3. 2026-11-05 Priority changed: MEDIUM → LOW
  4. 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-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
  • TI-2026-84828 Improper access controls in Tanium Discover CVSS 3.1MEDIUM 4.2
See all 10 →

Sources

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