CVE-2025-49090

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.

PUBLISHED Reserved 2025-05-31 | Published 2025-10-02 | Updated 2025-10-02 | Assigner mitre

Problem types

CWE-642 External Control of Critical State Data

Product status

References

matrix.org/blog/2025/08/security-release/

github.com/Nheko-Reborn/nheko/issues/1931

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

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

cve.org (CVE-2025-49090)

nvd.nist.gov (CVE-2025-49090)

Download JSON