CVE-2026-87021Network attack vector

Authenticated code execution via template injection

Published Sep 9, 2026 · Updated Sep 9, 2026

Template injection in Tanium Comply allows remote authenticated users to execute unauthorized code in the Comply service. Tanium has not disclosed the affected template locus or how attacker-controlled report content reaches the template engine without proper neutralization. Exploitation requires both Comply Report Content Write and Comply Report Write permissions, and resulting code runs in the service context.

CVSS severity7.2
High
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Template injection in Tanium Comply allows remote authenticated users to execute unauthorized code in the Comply service. Tanium has not disclosed the affected template locus or how attacker-controlled report content reaches the template engine without proper neutralization. Exploitation requires both Comply Report Content Write and Comply Report Write permissions, and resulting code runs in the service context.

The record

CVE
CVE-2026-87021
Published
Sep 9, 2026
Updated
Sep 9, 2026
Vendor
Tanium
Product
Tanium Comply
Classifications
CWE-1336
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 9, 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=2.32 <2.32.252
  2. Affected versionversion=2.35 <2.35.306
  3. Affected versionversion=2.37 <2.37.308

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Tanium · Tanium Complyversion=2.32 <2.32.252; version=2.35 <2.35.306; version=2.37 <2.37.308

Published CVSS scores

7.2TaniumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1336Improper Neutralization of Special Elements Used in a Template Engine

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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