CVE-2026-117532GHSA-px8f-whj8-hrpq

REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin

redaxo core

Open in Threatline Record JSON

CVSS

9.3Critical

ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV

Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet

Fixed in5.21.4Fixed versionCVE List

Published27 Oct 2026Updated 27 Oct 2026CVE List

What fixes it

5.21.4coreCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

27 Oct 2026, 10:59 UTCPublishedCVE List
27 Oct 2026, 15:17 UTCExploit code publicGitHub proof-of-concept repositories

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

asvorg/CVE-2026-117532-poc: PoC for CVE-2026-117532 in REDAXO Authentication bypass, full chain not yet implemented. CVSS score 9.3 criticalGitHub proof-of-concept repositories, 27 Oct 2026Exploit code

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.

Text from CVE List

Affected versions 2

coreaffected: 5.3.0 before 5.21.4CVE List
coreunaffected: 5.21.4CVE List