Auth bypass in Redaxo Core

CVE-2026-117532

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-117532?
CVE-2026-117532 is a critical-severity vulnerability in Redaxo Core, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-10-27.
How severe is CVE-2026-117532?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-117532 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.