What’s Vulnerable › Vulnerabilities

CVE-2026-107181: Telegram Desktop before 7.2.9 IPC Record Injection File Exfiltration via interpret: Scheme

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-07 · updated 2026-10-07
• Weakness: CWE-143

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.

Affected products

• Telegram Desktop: before 7.2.9 — fixed in 7.2.9

How to fix

Upgrade to a fixed version: Telegram Desktop 7.2.9. Check the vendor advisory for mitigations.

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

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