CVE-2026-117532

REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin

CRITICAL
9.8
CVSS Score
Published: October 27, 2026 at 10:59 AM UTC
Updated: November 2, 2026 at 07:18 PM UTC
1 product affected across 1 vendorRedaxo

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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 5.21.4 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-287

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