CVE-2025-54315

7.1 HIGH

Published: October 02, 2025 Modified: October 06, 2025

Description

The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.

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0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

Patch Vendor Advisory Exploit Third Party Advisory

Source: cve@mitre.org

Source: cve@mitre.org

2 reference(s) from NVD

CVSS v3 Score

7.1 / 10.0

EPSS (Exploit Probability)

0.1%

18th percentile

Exploitation Status

Not in CISA KEV

CWE-837