{"id":"CVE-2026-104480","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-104480","generatedAt":"2026-10-28T04:37:00.189Z","title":"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…","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.","published":"2026-10-02T02:17:02.000Z","lastModified":"2026-10-02T19:16:41.000Z","status":"Awaiting Analysis","sourceIdentifier":"4ac701fe-44e9-4bcd-9585-dd6449257611","cvss":{"version":"4.0","score":9.4,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-390","CWE-863"],"affected":[],"epss":{"score":0.00397,"percentile":0.33767,"date":"2026-10-27","history":[{"date":"2026-10-02","score":0.00397,"percentile":0.31565}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-02T02:17:02.000Z","detail":{"score":"9.4","severity":"CRITICAL","publishedAt":"2026-10-02T02:17:02.007Z"},"summary":"New CVE, critical severity (CVSS 9.4)."}],"references":[{"url":"https://daveprotocol.com/","source":"4ac701fe-44e9-4bcd-9585-dd6449257611"},{"url":"https://github.com/discord/libdave","source":"4ac701fe-44e9-4bcd-9585-dd6449257611"},{"url":"https://github.com/discord/libdave/commit/9686fbaea864aa19f0675e486672b6a77811b6a1","source":"4ac701fe-44e9-4bcd-9585-dd6449257611"},{"url":"https://github.com/discord/libdave/releases/tag/v1.2.0/cpp","source":"4ac701fe-44e9-4bcd-9585-dd6449257611"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-104480","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}