CVE-2026-94488 – Telegram Desktop Cross-Site Scripting Vulnerability

​CVE ID :CVE-2026-94488

Published : Sept. 21, 2026, 6:17 p.m. | 42 minutes ago

Description :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).

Severity: 8.3 | HIGH

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