CVE-2026-77146

High

Description

The extension's invitation controller fails to stop processing after redirecting on invalid input (missing hash, non-existent, disabled, or deleted users), allowing an unauthenticated attacker to set a new password for and re-enable an arbitrary existing frontend user account. This vulnerability is only present in the 8.x versions of the extension.

SeverityHigh

CVSS8.3

Exploit probability—

Product

Extension "femanager"

PublishedAug 25, 2026

First seenAug 25, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

TYPO3 Extension "femanager"8.4.2 or later

Vendor advisories

typo3.org/security/advisory/typo3-ext-sa-2026-024

Affected products

Product	Affected versions	Fixed in
TYPO3 Extension "femanager"	8.0.0 ≤ v < 8.4.2	8.4.2

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