CVE-2026-107181 Telegram Desktop - Authentication Bypass

Telegram Desktop < 7.2.9 contains an IPC record-separator injection vulnerability in Core::Sandbox, letting remote attackers inject OPEN: records via crafted tg:// links to upload local files and enable account takeover, exploit requires crafted tg:// links with unescaped semicolons.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-143

Vendor fix

Update to version 7.2.9 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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