SecuriTricks - CVE-2025-54315

Description

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

Product(s) Impacted

Vendor	Product	Versions
Matrix	Matrix	<1.16

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-837

Improper Enforcement of a Single, Unique Action

The product requires that an actor should only be able to perform an action once, or to have only one unique action, but the product does not enforce or improperly enforces this restriction.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	matrix	matrix	<1.16	/	/	/	/	/	/	/

References

https://github.com/matrix-org/matrix-spec/releases/tag/v1.16

https://matrix.org/blog/2025/08/project-hydra-improving-state-res/

CVSS Score

7.1 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: HIGH
Privileges Required: LOW
Scope: CHANGED
Confidentiality Impact: NONE
Integrity Impact: HIGH
Availability Impact: LOW

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

View Vector String

Timeline

Published: Oct. 2, 2025, 7:15 p.m.
Last Modified: Oct. 2, 2025, 7:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

CVE-2025-54315