telegram-desktop — security advisory
Telegram Desktop before 7.2.9 contains an IPC record-separator injection vulnerability in Core::Sandbox that allows remote attackers to inject OPEN: records via crafted tg:// links containing unescaped semicolons. Attackers can reach the interpret: scheme handler to upload local files, including tdata session keys, to an attacker channel, enabling account takeover.
- Products
- telegram-desktop
- Affected versions
- 1.1.23-1, 1.1.23-1build1, 1.1.23-2, 1.1.23-3, 1.2.15-1, 1.2.15-1build1, 1.2.17-1, 1.2.6-1, 1.2.6-2, 1.2.6-2build1, 1.2.6-2build2, 1.2.6-2build3, 1.8.15-2, 1.8.8-1, 1.9.14+ds-1, 1.9.14+ds-2, 1.9.21+ds-1, 1.9.8~slim-1, 2.0.1+ds-1, 2.0.1+ds-1build1, 2.1.7+ds-2~ubuntu20.04.1, 3.1.1+ds-1, 3.1.1+ds-1~ubuntu20.04.1, 3.5.2+ds-1, 3.6.1+ds-2build1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-107181
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:01 UTC · Revision 1
Source evidence
Telegram Desktop before 7.2.9 contains an IPC record-separator injection vulnerability in Core::Sandbox that allows remote attackers to inject OPEN: records via crafted tg:// links containing unescaped semicolons. Attackers can reach the interpret: scheme handler to upload local files, including tdata session keys, to an attacker channel, enabling account takeover.
osv:UBUNTU-CVE-2026-107181
telegram-desktop
Fixed versions: Not specified
telegram-desktop
Fixed versions: Not specified
telegram-desktop
Fixed versions: Not specified
Complete source record
{
"id": "dae08feb13660be40fa4ae865ae5dd7c3c8b0f6414be4c8cd18e2fbca835dfd1",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-107181",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-107181",
"summary": "Telegram Desktop before 7.2.9 contains an IPC record-separator injection vulnerability in Core::Sandbox that allows remote attackers to inject OPEN: records via crafted tg:// links containing unescaped semicolons. Attackers can reach the interpret: scheme handler to upload local files, including tdata session keys, to an attacker channel, enabling account takeover.",
"evidence": "osv:UBUNTU-CVE-2026-107181",
"products": [
{
"name": {
"value": "telegram-desktop",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.23-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.1.23-1build1",
"evidence": "/affected/0/versions"
},
{
"value": "1.1.23-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.1.23-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.6-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.6-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.6-2build1",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.6-2build2",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.6-2build3",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.15-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.15-1build1",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.17-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "telegram-desktop",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.8.8-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.8.15-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.9.8~slim-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.9.14+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.9.14+ds-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.9.21+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.0.1+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.0.1+ds-1build1",
"evidence": "/affected/1/versions"
},
{
"value": "2.1.7+ds-2~ubuntu20.04.1",
"evidence": "/affected/1/versions"
},
{
"value": "3.1.1+ds-1~ubuntu20.04.1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "telegram-desktop",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.1.1+ds-1",
"evidence": "/affected/2/versions"
},
{
"value": "3.5.2+ds-1",
"evidence": "/affected/2/versions"
},
{
"value": "3.6.1+ds-2build1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2026-107181",
"aliases": [
"UBUNTU-CVE-2026-107181"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "telegram-desktop",
"purl": "pkg:deb/ubuntu/telegram-desktop?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.1.23-1",
"1.1.23-1build1",
"1.1.23-2",
"1.1.23-3",
"1.2.6-1",
"1.2.6-2",
"1.2.6-2build1",
"1.2.6-2build2",
"1.2.6-2build3",
"1.2.15-1",
"1.2.15-1build1",
"1.2.17-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-107181.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "telegram-desktop",
"binary_version": "1.2.17-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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],
"package": {
"name": "telegram-desktop",
"purl": "pkg:deb/ubuntu/telegram-desktop?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.8.8-1",
"1.8.15-2",
"1.9.8~slim-1",
"1.9.14+ds-1",
"1.9.14+ds-2",
"1.9.21+ds-1",
"2.0.1+ds-1",
"2.0.1+ds-1build1",
"2.1.7+ds-2~ubuntu20.04.1",
"3.1.1+ds-1~ubuntu20.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-107181.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "telegram-desktop",
"binary_version": "3.1.1+ds-1~ubuntu20.04.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "telegram-desktop",
"purl": "pkg:deb/ubuntu/telegram-desktop?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"3.1.1+ds-1",
"3.5.2+ds-1",
"3.6.1+ds-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-107181.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "telegram-desktop",
"binary_version": "3.6.1+ds-2build1"
}
]
}
}
],
"modified": "2026-10-17T10:01:22Z",
"provider": "osv",
"upstream": [
"CVE-2026-107181"
],
"references": [
"https://ubuntu.com/security/CVE-2026-107181",
"https://www.cve.org/CVERecord?id=CVE-2026-107181",
"https://beaksec.github.io/posts/telegram-desktop-one-click-account-takeover/",
"https://github.com/telegramdesktop/tdesktop/commit/db3405699f8fc3ae28a58d2348b7d13a43c0590a",
"https://github.com/telegramdesktop/tdesktop",
"https://github.com/telegramdesktop/tdesktop/blob/v7.2.8/Telegram/SourceFiles/core/sandbox.cpp#L362-L364",
"https://github.com/telegramdesktop/tdesktop/blob/v7.2.8/Telegram/SourceFiles/support/support_helper.cpp#L673-L751",
"https://github.com/telegramdesktop/tdesktop/releases/tag/v7.2.9",
"https://www.vulncheck.com/advisories/telegram-desktop-before-7.2.9-ipc-record-injection-file-exfiltration-via-interpret-scheme"
]
},
"related_cves": [
{
"value": "CVE-2026-107181",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 352305,
"published_at": "2026-10-07T14:17:00+00:00"
}