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Tanium Threat Response EUVDEUVD-2026-111237

| CVE-2026-108328 MEDIUM
Insertion of Sensitive Information into Log File (CWE-532)
2026-10-27 Tanium GHSA-g9x9-6598-cgxj
4.2
CVSS 3.1 · Vendor: Tanium
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain privileged access to Threat Response
  2. Exploit
    Trigger action that logs sensitive data
  3. Execution
    Read exposed log file contents
  4. Impact
    Harvest disclosed sensitive information

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A09:2025 - Security Logging & Alerting Failures
ASVS 5.0
V16 - Security Logging and Error Handling Log data sanitization
Exploitation Conditions

Per the supplied CVSS vector, exploitation requires high privileges (PR:H) within Tanium Threat Response, required user interaction (UI:R), and succeeds only under high-complexity conditions (AC:H); impact is limited to confidentiality (C:H, I:N/A:N). The specific feature, action, or configuration that causes sensitive data to be written to the log is NOT described in the available sources - the description only states that sensitive information is inserted into a log file (CWE-532). Realistic exploitation additionally depends on the attacker (or a downstream reader) being able to access the affected log files, which the sources do not characterize. Limiting factors: the need for pre-existing high privileges, required user interaction, and high attack complexity substantially narrow the practical attack surface. Affected deployments are Threat Response 4.17 (<4.17.327), 4.12 (<4.12.349), and 4.9 (<4.9.476); updating to those fixed versions is the vendor remediation.

Impact

This is a low-to-moderate priority issue, not an emergency, consistent with the vuln.today 'this_month' decision label and the CVSS base score of 4.2 (MEDIUM). The supplied CVSS:3.1 vector (AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N) combines high confidentiality impact with several strong limiting factors: high attack complexity, high privileges required, and required user interaction. No EPSS score was provided, there is no CISA KEV listing, and no public exploit or PoC reference appears in the input - so by the precision rules this is 'no public exploit identified at time of analysis.' A notable tension exists in the data: the vulnerability is CWE-532 (insertion of sensitive information into a log file), a class whose real-world exploitation almost always requires access to read the resulting log files (typically local or log-pipeline access), yet the vendor-supplied vector asserts AV:N. The network attack vector combined with PR:H and UI:R is internally unusual for a logging-disclosure flaw and should be verified with Tanium - the practical exposure is likely narrower than AV:N implies. Overall: a genuine confidentiality concern for already-privileged contexts, but the combination of AC:H, PR:H, UI:R, no known exploitation, and a 'this_month' label argues against treating it as urgent.

Exploit ScenarioDerived

An actor with high privileges in a Tanium Threat Response deployment causes sensitive information to be written into log files, which is then disclosed to a party able to read those logs; the vendor vector indicates the path also requires user interaction and has high complexity. No public exploit or PoC was identified in the available data, and there is no evidence of active exploitation.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 28, 2026

Tanium Threat Response can write sensitive information into log files (CWE-532), exposing confidential data to anyone who can read the affected logs. Affected builds are Threat Response 4.17 before 4.17.327, 4.12 before 4.12.349, and 4.9 before 4.9.476; Tanium has released fixed versions. The CVSS 3.1 base score is 4.2 (MEDIUM) and the vuln.today decision label is 'this_month' - a low-to-moderate priority issue, not an emergency; no public exploit code or CISA KEV entry is reported in the supplied data. The vendor vector and the independent assessed vector differ on access path and prerequisites (network/high-privilege/user-interaction versus local/low-privilege/no-interaction), but both limit impact to confidentiality.

RemediationAI

Tanium has released fixed builds: update Threat Response 4.17 to 4.17.327 or later, 4.12 to 4.12.349 or later, and 4.9 to 4.9.476 or later. The vendor advisory at https://security.tanium.com/TAN-2026-051 should be consulted for deployment guidance. No specific workarounds are described in the supplied data; the vendor remediation is to apply the fixed versions. The vuln.today decision label is 'this_month' and the CVSS base score is 4.2 (MEDIUM), so remediation can be scheduled in the normal monthly patch cycle rather than treated as an emergency.

Affected VersionsENISA

Threat Response 4.17 <4.17.327
Threat Response 4.9 <4.9.476
Threat Response 4.12 <4.12.349

Affected Packages

euvd threat_response fix: 4.9.476, 4.12.349, 4.17.327

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

CWE-532 (Insertion of Sensitive Information into Log File) is a logging-hygiene flaw in which an application records data that should not be persisted, such as credentials, tokens, or other confidential values. In Tanium Threat Response, the supplied sources do not identify the exact logging component, feature, action, or code path that writes the sensitive data, nor do they characterize where the logs are stored or who can read them; the trigger is not described in the available sources. The CPE cpe:2.3:a:tanium:threat_response:*:*:*:*:*:*:*:* confirms the affected product family. The vendor's CVSS vector (AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N) and the independent assessed vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) differ in access path and prerequisites, but both agree on confidentiality-only impact with no integrity or availability effect. Realistic exploitation depends on an attacker or downstream reader being able to access the affected log files, which the sources do not characterize.

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Severity by source

Vendor (Tanium) PRIMARY 4.2 MEDIUM
AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N
vuln.today AI 5.5 MEDIUM

CWE-532 log disclosure realistically requires local access to read the affected log files with some privilege, so AV:L/PR:L; only confidentiality is affected, hence C:H, I:N, A:N.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Tanium).

CVSS VectorVendor: Tanium

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
Patch available
Oct 27, 2026 - 18:18 EUVD

DescriptionCVE.org

Tanium addressed an insertion of sensitive information into log file vulnerability in Threat Response.

Threat Intelligence Overview

EPSS Score
0.2%
Top 86% exploitable
Prevalence
Medium
enterprise endpoint security platform, large-org footprint but not universal
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

21
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +21
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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