CVE-2026-117532

CRITICAL 9.8

REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-287
Vendor	redaxo
Product	core
Published	Oct 27, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

redaxo / core

5.3.0 < 5.21.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/redaxo/core/security/advisories/GHSA-px8f-whj8-hrpq vulncheck.com: https://www.vulncheck.com/advisories/redaxo-core-5.3.0-before-5.21.4-authentication-bypass-via-history-plugin

Credits

🔍 V-C-Williams