CVE-2025-48937

Medium

Description

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.

SeverityMedium
CVSS4.9
Exploit probability—
ProductMatrix-org Matrix-rust-sdk
PublishedJun 10, 2025
First seenJun 10, 2025
Weakness typeCWE-290CWE-290

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
matrix-org matrix-rust-sdk>= 0.8.0, < 0.11.1—

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CVE-2025-48937 · Matrix-org Matrix-rust-sdk · Dark Radar