# CVE-2026-116669: Tanium Discover improper access controls

Source: https://junglewise.ai/threats/cve-2026-116669-tanium-addressed-an-improper-access-controls-vulnerability-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-03. Updated: 2026-11-03  
License: CC BY 4.0 with a link back

CVE-2026-116669 · Severity: medium · CVSS 6.5 · Published 2026-11-03

Tanium Discover is an asset discovery and management tool used to monitor devices across corporate networks. An authenticated user with read permission for Discover assets can exploit improper access controls to view sensitive data they should not have access to, leading to potential information disclosure.

Technologies: [Tanium Discover](https://junglewise.ai/threats/technologies/discover). Vendors: [Tanium](https://junglewise.ai/threats/vendors/tanium).

## Quick answers

**Is CVE-2026-116669 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-116669 being exploited in the wild.

**How severe is CVE-2026-116669?** Medium severity, with a CVSS score of 6.5, published 3 November 2026.

**Which products and versions are affected?** Tanium Discover 4.19.0 to 4.19.137.

**Is there a fix for CVE-2026-116669?** Yes: fixed in Discover v4.19.137 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-116669 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-116669?** Check whether you run Tanium Discover at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in Discover v4.19.137 and later

## Technical details

Improper access controls in Tanium Discover allow an authenticated user with the Discover Asset read permission to bypass authorization checks and access data outside their intended scope. The vulnerability is network-accessible, requires user authentication and the Discover Asset read permission, and results in unauthorized read-only data disclosure. A fix is available in Update 9.

## Affected products

- Tanium Discover 4.19.0 to 4.19.137

## Timeline

- 2026-11-03: disclosed

## References

- [https://security.tanium.com/TAN-2026-087](https://security.tanium.com/TAN-2026-087)

## Related threats

- [Tanium Discover uncontrolled resource consumption](https://junglewise.ai/threats/cve-2026-116668-tanium-addressed-an-uncontrolled-resource-consumption)
- [Tanium Discover improper access control](https://junglewise.ai/threats/cve-2026-116667-tanium-addressed-an-improper-access-controls-vulnerability-in)
- [Tanium Discover information disclosure](https://junglewise.ai/threats/cve-2026-116666-tanium-addressed-an-information-disclosure-vulnerability-in)
- [Tanium Discover information disclosure via asset permission bypass](https://junglewise.ai/threats/cve-2026-116665-tanium-addressed-an-information-disclosure-vulnerability-in)
- [Tanium Discover formula injection in CSV export](https://junglewise.ai/threats/cve-2026-116648-tanium-addressed-an-improper-output-sanitization-vulnerability)