CVE-2026-104480
CRITICAL
9,4
Source: 4ac701fe-44e9-4bcd-9585-dd6449257611
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
Description
AI Translation Available
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.
390
Detection of Error Condition Without Action
DraftCommon Consequences
Security Scopes Affected:
Integrity
Other
Potential Impacts:
Varies By Context
Unexpected State
Alter Execution Logic
Applicable Platforms
All platforms may be affected
863
Incorrect Authorization
IncompleteCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Access Control
Availability
Potential Impacts:
Read Application Data
Read Files Or Directories
Modify Application Data
Modify Files Or Directories
Gain Privileges Or Assume Identity
Bypass Protection Mechanism
Execute Unauthorized Code Or Commands
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Dos: Resource Consumption (Other)
Applicable Platforms
Technologies:
Web Server, Database Server, Not Technology-Specific
https://daveprotocol.com/
https://github.com/discord/libdave
https://github.com/discord/libdave/commit/9686fbaea864aa19f0675e486672b6a77811b…
https://github.com/discord/libdave/releases/tag/v1.2.0/cpp