CVE-2026-85400
Deferred
Deferred - Pending Action
Backend Admin Privilege Escalation in TYPO3 CMS
Vulnerability report for CVE-2026-85400, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-08
Last updated on: 2026-09-08
Assigner: TYPO3
Description
Description
Backend administrators without system maintainer privileges were able to schedule any of the configuration:read, configuration:set, and configuration:show commands. This allowed them to modify arbitrary system configuration, which is normally limited to system maintainers. As a consequence, this allowed them, for example, to gain system maintainer privileges or cause a denial of service. Exploiting this vulnerability requires an administrator-level backend user account. This issue affects TYPO3 CMS versions 14.2.0-14.3.6.
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| typo3 | typo3_cms | From 14.2.0 (inc) to 14.3.6 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-266 | A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. |
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
