CVE-2025-15342Network attack vector

Authenticated data access via undisclosed authorization flaw

Published Feb 5, 2026 · Updated Feb 5, 2026

Incorrect authorization in Tanium Reputation allows remote authenticated users to read and write restricted data via network requests. Tanium has not disclosed the affected request, handler, or missing authorization operation beyond identifying improper access controls in the Reputation service. Exploitation requires a Tanium account with Reputation Read permission and permits access to data outside that account's authorization boundary.

CVSS severity4.3
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Tanium Reputation allows remote authenticated users to read and write restricted data via network requests. Tanium has not disclosed the affected request, handler, or missing authorization operation beyond identifying improper access controls in the Reputation service. Exploitation requires a Tanium account with Reputation Read permission and permits access to data outside that account's authorization boundary.

The record

CVE
CVE-2025-15342
Published
Feb 5, 2026
Updated
Feb 5, 2026
Vendor
Tanium
Product
Tanium Reputation
Classifications
CWE-863
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.3.0 <6.3.227
  2. Affected versionversion=6.5.0 <6.5.50
  3. Affected versionversion=6.6.0 <6.6.72

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tanium · Tanium Reputationversion=6.3.0 <6.3.227; version=6.5.0 <6.5.50; version=6.6.0 <6.6.72

Published CVSS scores

4.3TaniumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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