CVE-2026-107181

EUVD-2026-94329
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 25.99%
Debian logo
Debian Releases
Debian Product
Codename
telegram-desktop
bookworm
vulnerable
forky
vulnerable
sid
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
telegram-desktop
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
resolute
dne
Common Weakness Enumeration
References
https://beaksec.github.io/posts/telegram-desktop-one-click-account-takeover/
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/commit/db3405699f8fc3ae28a58d2348b7d13a43c0590a
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