CVE-2025-49090

Oct. 2, 2025, 7:15 p.m.

7.1
High

Description

The Matrix specification before 1.16 (i.e., with a room version before 12 and State Resolution before 2.1) has deficient state resolution.

Product(s) Impacted

Vendor Product Versions
Matrix
  • Matrix Specification
  • <1.16

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-642
External Control of Critical State Data
The product stores security-critical state information about its users, or the product itself, in a location that is accessible to unauthorized actors.

*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_specification <1.16 / / / / / / /

References

https://github.com/Nheko-Reborn/nheko/issues/1931
https://github.com/matrix-org/matrix-spec/releases/tag/v1.16
https://matrix.org/blog/2025/08/project-hydra-improving-state-res/
https://matrix.org/blog/2025/08/security-release/

Tags

cve@mitre.org
CWE-642
2025-10-02
CVE-2025-49090

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

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.