Vulnerability · Published Oct 7, 2026 · Assigned by VulnCheck

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

High 8.1

In plain English

A high-severity security flaw in Telegram Desktop from Telegram. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.6%top 50.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack tooling1Public PoC

Official 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 packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	telegram-desktop	4.6.5+ds-2+deb12u1	DEBIAN-CVE-2026-107181
Debian:14	telegram-desktop	5.7.2+ds-6	DEBIAN-CVE-2026-107181
Ubuntu:22.04:LTS	telegram-desktop	no fix listed	UBUNTU-CVE-2026-107181

Affected products (as reported)

Vendor	Product	Versions
Telegram	Telegram Desktop	0 – before 7.2.9

Weakness: CWE-143 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References

Telegram Desktop one-click account takeover write-up technical-description, exploit
Patch Commit patch
Telegram Desktop v7.2.9 Release Notes release-notes
Unescaped IPC record separator (v7.2.8) technical-description
interpret: send-path handler (v7.2.8) technical-description
https://github.com/telegramdesktop/tdesktop product
VulnCheck Advisory: Telegram Desktop before 7.2.9 IPC Record Injection File Exfiltration via interpret: Scheme third-party-advisory