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.

References

https://www.vulncheck.com/advisories/telegram-desktop-before-7.2.9-ipc-record-injection-file-exfiltration-via-interpret-scheme

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

https://github.com/telegramdesktop/tdesktop/commit/db3405699f8fc3ae28a58d2348b7d13a43c0590a

https://github.com/telegramdesktop/tdesktop/blob/v7.2.8/Telegram/SourceFiles/support/support_helper.cpp#L673-L751

https://github.com/telegramdesktop/tdesktop/blob/v7.2.8/Telegram/SourceFiles/core/sandbox.cpp#L362-L364

https://github.com/telegramdesktop/tdesktop

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94329

https://beaksec.github.io/posts/telegram-desktop-one-click-account-takeover/

Details

Source: Mitre, NVD

Published: 2026-10-07

Updated: 2026-10-07

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Severity: High

CVSS v4

Base Score: 8.6

Vector: 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

Severity: High

EPSS

EPSS: 0.00345