CVE-2026-116896

High

Description

REDAXO before 5.21.5 contains a missing authorization vulnerability in the backup addon export that accepts any database table, allowing non-admin users with the backup[export] permission to export rex_user, rex_user_session, and other applications' tables. Attackers can obtain plaintext session ids and stay-logged-in keys to take over admin accounts, or password hashes for offline cracking.

SeverityHigh

CVSS7.5

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

Vendor advisories

github.com/redaxo/core/security/advisories/GHSA-phjc-vx3j-58r3

Affected products

Product	Affected versions	Fixed in
redaxo core	v < 5.21.5	5.21.5

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