Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2025-48937

matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly validate the sender of an encrypted event. Accordingly, a malicious homeserver operator can modify events served to clients, making those events appear to the recipient as if they were sent by another user. This vulnerability is fixed in 0.11.1 and 0.12.0.

Published

2025-06-10T16:15:41.670

Last Modified

2025-06-12T16:06:39.330

Status

Awaiting Analysis

Source

[email protected]

Severity

CVSSv3.1: 4.9 (MEDIUM)

Weaknesses

Type: Secondary
CWE-290

Affected Vendors & Products

References

https://github.com/matrix-org/matrix-rust-sdk/commit/13c1d2048286bbabf5e7bc6b015aafee98f04d55 ([email protected])
https://github.com/matrix-org/matrix-rust-sdk/commit/56980745b4f27f7dc72ac296e6aa003e5d92a75b ([email protected])
https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-x958-rvg6-956w ([email protected])
https://spec.matrix.org/v1.14/client-server-api/#mmegolmv1aes-sha2 ([email protected])