Critical severity · published Oct 27, 2026
CVE-2026-117532
REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin
New
9.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
core · redaxo
5.3.0 before 5.21.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-117532
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-117532
github.com
https://github.com/redaxo/core/security/advisories/GHSA-px8f-whj8-hrpq
www.vulncheck.com
https://www.vulncheck.com/advisories/redaxo-core-5.3.0-before-5.21.4-authentication-bypass-via-history-plugin
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