CVE-2026-7701— Telegram Desktop Bot API url_auth_box.cpp RequestButton null pointer dereference
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I. Basic Information for CVE-2026-7701
Vulnerability Information
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Vulnerability Title
Telegram Desktop Bot API url_auth_box.cpp RequestButton null pointer dereference
Source: NVD (National Vulnerability Database)
Vulnerability Description
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 argument login_url leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Telegram Desktop 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Telegram Desktop是Telegram开源的一款即时通信移动应用程序的桌面版。 Telegram Desktop 6.7.5及之前版本存在安全漏洞，该漏洞源于组件Bot API中文件Telegram/SourceFiles/boxes/url_auth_box.cpp的函数RequestButton对参数login_url的操作，可能导致空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-7701
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- 2026 04 11 00 48 53 - YouTubemedia-coverage
- CVE-2026-7701 | Telegram Desktop up to 6.7.5 Bot API url_auth_box.cpp RequestButton login_url null pointer dereferencevdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-7701
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