CVE-2026-32756Public exploitNetwork attack vector

Authenticated code execution via failed-token upload

Published Mar 19, 2026 · Updated Mar 19, 2026

Unrestricted file upload in Admidio before 5.0.7 allows remote authenticated users with document-upload rights to execute server-side code. UploadHandlerFile.php lets its parent write the file before validation, then an invalid CSRF token sets an error that skips extension checks and deletion. Any authenticated member with Documents & Files upload rights can leave a directly accessible PHP script on the server and run commands under the web service account.

CVSS severity8.8
High
EPSS probability0.98%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Admidio before 5.0.7 allows remote authenticated users with document-upload rights to execute server-side code. UploadHandlerFile.php lets its parent write the file before validation, then an invalid CSRF token sets an error that skips extension checks and deletion. Any authenticated member with Documents & Files upload rights can leave a directly accessible PHP script on the server and run commands under the web service account.

The record

CVE
CVE-2026-32756
Published
Mar 19, 2026
Updated
Mar 19, 2026
Vendor
Admidio
Product
Admidio
Classifications
CWE-434, T1505.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 19, 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=< 5.0.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Admidio · Admidioversion=< 5.0.7

Published CVSS scores

8.8GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1505.003Web Shell

Public exploit references

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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