CVE-2026-116899: REDAXO before 5.21.4 Broken Access Control in Slice Operations

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.

• redaxo core

  • 5.21.4not affected
  • before 5.21.4affected · semver

Other highest-scoring records for the same primary product.

• CVE-2026-117532REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin
  37Monitor
• CVE-2026-117536REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation
  34Monitor
• CVE-2026-116896REDAXO before 5.21.5 Privilege Escalation via Backup Export of Authentication Tables
  30Monitor

Published before and after this one in the same product

• ← EarlierCVE-2026-116897Oct 27, 2026 · REDAXO before 5.21.4 Missing Authorization in Version and History Previews
  28Monitor
• ← EarlierCVE-2026-116898Oct 27, 2026 · REDAXO before 5.21.4 Missing Authorization in Media Pool Bulk Move
  28Monitor
• Later →CVE-2026-116900Oct 27, 2026 · REDAXO before 5.21.4 Stored XSS via Media and Link Input Widgets
  20Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

The endpoint fetches the record by the ID sent in the request, but never checks whether the record belongs to the requesting user.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1const invoice = await Invoice.findById(req.params.id);2res.json(invoice);

1const invoice = await Invoice.findOne({2  id: req.params.id,3  ownerId: req.user.id,4});5if (!invoice) return res.sendStatus(404);6res.json(invoice);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.