CVE-2025-54315
The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.1
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L
- EPSS probability
- 0.33%
- CWE
- CWE-837
- Published
- 2025-10-02
- Last modified
- 2026-03-12
Affected products
- Matrix Matrix specification
Weakness type
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