Vulnerability in Telegram Desktop
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- beaksec.github.io/posts/telegram-desktop-one-click-account-takeover/ (technical-description, exploit)
- github.com/telegramdesktop/tdesktop/commit/db3405699f8fc3ae28a58d2348b7d13a43c0… (patch)
- github.com/telegramdesktop/tdesktop/releases/tag/v7.2.9 (release-notes)
- github.com/telegramdesktop/tdesktop/blob/v7.2.8/Telegram/SourceFiles/core/sandb… (technical-description)
- github.com/telegramdesktop/tdesktop/blob/v7.2.8/Telegram/SourceFiles/support/su… (technical-description)
- github.com/telegramdesktop/tdesktop (product)
- www.vulncheck.com/advisories/telegram-desktop-before-7.2.9-ipc-record-injection… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-107181?
- CVE-2026-107181 is a high-severity vulnerability in Telegram Desktop, classified under CWE-143. CVSS score: 8.1/10. Published 2026-10-07.
- How severe is CVE-2026-107181?
- High severity. CVSS v3 base score is 8.1 out of 10.