CVE-2026-45057

A flaw was found in matrix-sdk-ui. The component's message edit validation logic does not properly enforce encryption for replacement events, even when the original message was encrypted. This vulnerability allows a malicious homeserver administrator, or an attacker with similar capabilities, to...

matrix-sdk-ui: Incomplete edit validation

Impact The message edit validation logic in the matrix-sdk-ui crate before 0.16.1 is missing a check: when replacing an encrypted event, the replacement event itself is not required to be encrypted. This enables a malicious homeserver administrator or an actor with equivalent power to impersonate...

GHSA-H97M-27FX-42RX matrix-sdk-ui: Incomplete edit validation

Impact The message edit validation logic in the matrix-sdk-ui crate before 0.16.1 is missing a check: when replacing an encrypted event, the replacement event itself is not required to be encrypted. This enables a malicious homeserver administrator or an actor with equivalent power to impersonate...