rootpwn

critical · CVSS v3 8.2 · CVSS v4 9.4

CVE-2026-104480

Discord libdave before 1.2.0 did not reject an MLS Welcome message when the resulting group roster contained an unrecogn…

Description

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) could cause affected clients to accept an unauthorized member into the end-to-end encrypted media session, compromising the confidentiality and integrity of audio and video.

Scores

Severity
critical
CVSS v2
6.4
CVSS v3
8.2
CVSS v4
9.4
EPSS
—

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