Vulnerability Intelligence Report
REDAXO before 5.21.4 Broken Access Control in Slice Operations
CVE-2026-116899
REDAXO before 5.21.4 contains a broken access control vulnerability that allows authenticated editors to modify slices in unauthorized categories by pairing a permitted article with a foreign slice id. Attackers can abuse content/edit delete and edit functions or the content_slice_status and content_move_slice APIs to delete, toggle, move, or overwrite other editors' slices.
No Active Exploit Signals
CVSS Base Score
7.1
HIGH
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-639 ↗Authorization Bypass Through User-Controlled Key
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| redaxo | core | 0 < 5.21.4 (affected), 5.21.4 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-10-27T01:02:44 |
| Published | 2026-10-27T10:59:27 |
| Patch Date | 2026-08-03 |
| Last Updated | 2026-10-27T10:59:27 |
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