CVE-2026-7701

The record

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. There is ongoing doubt regarding the real existence of this vulnerability. Upgrading to version 6.7.6 is able to resolve this issue. Upgrading the affected component is recommended. The vendor provides this rationale for the dispute: "[T]he described scenario does not lead to any security issue or vulnerability, and only causes a one-time crash. In the outlined scenario, the targeted user must perform an active action, which doesn't produce any consequences after the app is relaunched."

Affected packages

Related vulnerabilities

• CVE-2026-118276 A vulnerability was determined in a2ui-project a2ui up to 0.10.6. CWE-404
• CVE-2026-118275 A vulnerability was found in a2ui-project a2ui up to 0.10.6. CWE-404
• CVE-2026-118274 A vulnerability has been found in a2ui-project a2ui up to 0.10.6. CWE-404
• CVE-2026-118273 A flaw has been found in a2ui-project a2ui up to 0.10.6. CWE-404
• CVE-2026-118271 A security vulnerability has been detected in a2ui-project a2ui up to 0.10.6. CWE-404
• CVE-2026-117505 A security flaw has been discovered in a2aproject a2a-java up to 1.2.0.Final. CWE-404
• CVE-2026-117506 A weakness has been identified in a2aproject a2a-java up to 1.2.0.Final. CWE-404
• CVE-2026-117504 A vulnerability was identified in a2aproject a2a-go up to 2.4.0. CWE-404