CVE-2026-107181

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.

• 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