CVE-2026-26026Network attack vector

Administrator-level code execution via template injection

Published Apr 6, 2026 · Updated Apr 6, 2026

Server-side template injection in GLPI 11.0.0 through 11.0.5 allows remote authenticated users with administrator access to execute code. The publisher identifies template injection as the cause but has not disclosed the affected template path, input field, or processing operation. Exploitation requires an administrator session and grants code execution in the server application's security context.

CVSS severity9.1
Critical
EPSS probability9.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Server-side template injection in GLPI 11.0.0 through 11.0.5 allows remote authenticated users with administrator access to execute code. The publisher identifies template injection as the cause but has not disclosed the affected template path, input field, or processing operation. Exploitation requires an administrator session and grants code execution in the server application's security context.

The record

CVE
CVE-2026-26026
Published
Apr 6, 2026
Updated
Apr 6, 2026
Vendor
GLPI Project
Product
GLPI
Classifications
CWE-1336, CWE-94
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 6, 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=>= 11.0.0, < 11.0.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

GLPI Project · GLPIversion=>= 11.0.0, < 11.0.6

Published CVSS scores

9.1GitHubCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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
CWE-94Improper Control of Generation of Code ('Code Injection')

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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