Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.
"2026-04-11T14:11:00Z"
[
{
"id": "CVE-2019-15620-1597a010",
"deprecated": false,
"source": "https://github.com/nextcloud/talk-android/commit/96de8ceb935e5005e95b1d7409075ef74c2fb528",
"signature_version": "v1",
"signature_type": "Function",
"target": {
"function": "joinRoomWithRoomTokenAndSession",
"file": "app/src/main/java/com/nextcloud/talk/webrtc/MagicWebSocketInstance.java"
},
"digest": {
"function_hash": "298371678596391023087716559718708850582",
"length": 632.0
}
},
{
"id": "CVE-2019-15620-b02cd2a7",
"deprecated": false,
"source": "https://github.com/nextcloud/talk-android/commit/96de8ceb935e5005e95b1d7409075ef74c2fb528",
"signature_version": "v1",
"signature_type": "Line",
"target": {
"file": "app/src/main/java/com/nextcloud/talk/webrtc/MagicWebSocketInstance.java"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
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]
}
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15620.json"