CVE-2026-121565

HighCVSS 7.4/10Last modified Nov 6, 2026

Description

Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
TaniumTanOS>= 1.8.5, < 1.8.5.0326; >= 1.8.6, < 1.8.6.0193; >= 1.9.0, < 1.9.0.0089
TaniumAsset>= 1.33, < 1.33.334; >= 1.36, < 1.36.182; >= 1.39, < 1.39.164
TaniumComply>= 2.32, < 2.32.275; >= 2.35, < 2.35.337; >= 2.37, < 2.37.347
TaniumConnect>= 5.29, < 5.29.272; >= 5.37, < 5.37.177; >= 5.47, < 5.47.135
TaniumIntegrity Monitor>= 3.6, < 3.6.608; >= 3.7, < 3.7.383; >= 3.8, < 3.8.362
TaniumHealth Check>= 1.13, < 1.13.653
TaniumEndpoint Configuration Toolset Solution>= 1.51, < 1.51.61; >= 1.59, < 1.59.51; >= 1.71, < 1.71.26
TaniumPatch>= 3.24, < 3.24.328; >= 3.28, < 3.28.346; >= 3.32, < 3.32.383
TaniumPerformance>= 1.22, < 1.22.355; >= 1.23, < 1.23.318; >= 1.25, < 1.25.196
TaniumReputation>= 6.6, < 6.6.150; >= 6.7, < 6.7.143; >= 6.8, < 6.8.167
TaniumReveal>= 2.4, < 2.4.109; >= 2.5, < 2.5.166
TaniumThreat Response>= 4.9, < 4.9.480; >= 4.12, < 4.12.353; >= 4.17, < 4.17.333
TaniumProvision Host>= 10.4.100, < 10.4.100; >= 10.8.115, < 10.8.115; >= 10.9.113, < 10.9.113; >= 10.10.189, < 10.10.189; >= 10.11.127, < 10.11.127

References

Timeline

Published
Nov 3, 2026
Last modified
Nov 6, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

CVE-2026-121576.4The BetterDocs - Knowledge Base Docs & FAQ Solution for Elementor & Block Editor plugin for WordPress is vulnerable to Stored Cross-Site ScrCVE-2026-1215707.1Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Chill RSVP and Event Management rsvCVE-2026-1215715.3Missing Authorization vulnerability in WP Desk Autopay dla WooCommerce pay-wp allows Exploiting Incorrectly Configured Access Control SecuriCVE-2026-1215736.5Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Melapress WP Activity Log wp-security-CVE-2026-1215745.3Missing Authorization vulnerability in WP Chill Passster content-protector allows Exploiting Incorrectly Configured Access Control Security CVE-2026-1215755.3Missing Authorization vulnerability in WP User Manager WP User Manager wp-user-manager allows Exploiting Incorrectly Configured Access ContrCVE-2026-1215768.8Incorrect Privilege Assignment vulnerability in AtlasAiDev MCP Server for WordPress ai-workflow-automation-ai-agent-hub allows Privilege EscCVE-2026-1215776.7Inefficient Regular Expression Complexity (CWE-1333) in generate_regex() (whatstk/whatsapp/parser.py) in whatstk from 0.2.0 before 0.9.0 allCVE-2026-1215786.1Tactical RMM contains a stored XSS vulnerability caused by improperly validated input or encode output for various fields, enabling HTML/JavCVE-2026-1215796.5Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Unlimited Elements Unlimited Elements CVE-2026-121588.8The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up tCVE-2026-1215808.1Server-side request forgery in the Jira ticketing filter lookup in Devolutions Server 2026.2.22.0 and earlier allows an authenticated low-pr
CVE-2026-121565: High severity, CVSS 7.4 | Vulnix