CVE-2026-116893

Medium

Description

REDAXO core before 5.21.5 contains a missing authorization vulnerability in the rex_api_package API function that lets non-admin backend users manage packages with only a valid CSRF token. Attackers holding a token, such as demoted admins with active sessions, can uninstall system addons like structure (dropping their database tables), deactivate, install, or activate packages, and delete non-system packages.

SeverityMedium

CVSS6.8

Exploit probability—

Product

Redaxo Core

PublishedOct 27, 2026

First seenOct 27, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

redaxo core5.21.5 or later

Patches

github.com/redaxo/core/commit/bd96cf27c2ab919b8320264c9f5502753aa82f28

Vendor advisories

github.com/redaxo/core/security/advisories/GHSA-fw98-549m-whxx

Affected products

Product	Affected versions	Fixed in
redaxo core	v < 5.21.5	5.21.5

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