Tanium Connect up to 5.29.250/5.37.155/5.47.111 information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
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CTI Interest Score
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4.1$0-$5k1.15

Summaryinfo

A vulnerability was found in Tanium Connect up to 5.29.250/5.37.155/5.47.111. It has been rated as problematic. Affected by this vulnerability is an unknown functionality. This manipulation causes information disclosure. This vulnerability appears as CVE-2026-12139. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Tanium Connect up to 5.29.250/5.37.155/5.47.111 and classified as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Tanium addressed an information disclosure vulnerability in Connect.

The advisory is shared at security.tanium.com. This vulnerability is known as CVE-2026-12139 since 06/12/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 5.29.251, 5.37.156 or 5.47.112 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: Connect 5.29.251/5.37.156/5.47.112

Timelineinfo

06/12/2026 CVE reserved
07/21/2026 +39 days Advisory disclosed
07/21/2026 +0 days VulDB entry created
07/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: security.tanium.com
Status: Confirmed

CVE: CVE-2026-12139 (🔒)
GCVE (CVE): GCVE-0-2026-12139
GCVE (VulDB): GCVE-100-381073

Entryinfo

Created: 07/21/2026 23:08
Changes: 07/21/2026 23:08 (52)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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