CVE-2026-107181

High

Description

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.

SeverityHigh

CVSS8.1

Exploit probability—

ProductTelegram Desktop

PublishedOct 7, 2026

First seenOct 7, 2026

Weakness typeCWE-143CWE-143

How to fix

Update

Telegram Telegram Desktop7.2.9 or later

Patches

github.com/telegramdesktop/tdesktop/commit/db3405699f8fc3ae28a58d2348b7d13a43c0590a

Vendor advisories

github.com/telegramdesktop/tdesktop/releases/tag/v7.2.9

Affected products

Product	Affected versions	Fixed in
Telegram Telegram Desktop	v < 7.2.9	7.2.9

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