CVE-2026-117532 REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin

Critical 9.3 Published 27 Oct 2026 Updated 27 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-117532?

CVE-2026-117532 is a critical vulnerability in redaxo core, published on 27 Oct 2026.

Official description

REDAXO core from 5.3.0 before 5.21.4 contains an authentication bypass vulnerability in the structure/history plugin that allows unauthenticated attackers to forge temporary login tokens. Attackers can force the session-tied secret into a predictable state and forge tokens for accounts like admin, gaining backend access and code execution outside live mode.

Weakness: CWE-287

Which versions are affected by CVE-2026-117532?

How do I fix CVE-2026-117532?

No fix has been published for CVE-2026-117532 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-117532 being exploited?

There is no known exploitation of CVE-2026-117532 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-px8f-whj8-hrpq, GHSA-v3wh-4qp2-g2hm.