CVE-2026-104480 Improper MLS Welcome roster validation in Discord libdave allows unauthorized group membership

Discord libdave before 1.2.0 did not reject an MLS Welcome message when the resulting group roster contained an unrecognized participant. An attacker in control of the DAVE signaling path the voice gateway, or an equivalent position able to add, alter, or withhold signaling messages to a client...

CVE-2026-104480 Improper MLS Welcome roster validation in Discord libdave allows unauthorized group membership

Discord libdave before 1.2.0 did not reject an MLS Welcome message when the resulting group roster contained an unrecognized participant. An attacker in control of the DAVE signaling path the voice gateway, or an equivalent position able to add, alter, or withhold signaling messages to a client...