Source: telegram-desktop X-Debbugs-CC: [email protected] Severity: grave Tags: security
Hi, The following vulnerability was published for telegram-desktop. CVE-2026-94488[0]: | Telegram Desktop before 6.9.4 allows XSS in the HTML exporter. (The | first fixed stable version is 7.0.1.) This occurs in | button.text.toUtf8 in export_output_html.cpp. Exploitation cannot | occur unless HTML export was used by a victim. However, the exploit | payload can be exported if a message were forwarded into a group by | a member (it is not necessary for the message author to be a member | of a group). https://expatch.com/writeups/telegram-html-export-xss.html https://github.com/telegramdesktop/tdesktop/commit/8457d13aa795fadf99c955d2a04f00ebc3c59df9 (v6.9.4) If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-94488 https://www.cve.org/CVERecord?id=CVE-2026-94488 Please adjust the affected versions in the BTS as needed.
