NULL pointer dereference in Telegram Desktop
CVE-2026-7701
A security vulnerability has been detected in Telegram Desktop up to 6.7.5. This vulnerability affects the function RequestButton of the file Telegram/SourceFiles/boxes/url_auth_box.cpp of the component Bot API. The manipulation of the arg…
EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Telegram Desktop — versions 6.7.3, 6.7.1, 6.7.0
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (media-coverage)
Frequently asked questions
- What is CVE-2026-7701?
- CVE-2026-7701 is a medium-severity vulnerability in Telegram Desktop, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-05-03.
- How severe is CVE-2026-7701?
- Medium severity. CVSS v3 base score is 4.3 out of 10.