CVE-2026-50519 Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability
An insecure default in GitHub Copilot Chat allows attackers to bypass security features and disclose information over the network.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-50519?
CVE-2026-50519 is a medium-severity vulnerability in Microsoft GitHub Copilot Chat, published on 19 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Initialization of a resource with an insecure default in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-1188
Which versions are affected by CVE-2026-50519?
It affects 1 product.
Products include Microsoft Github Copilot Chat.
How do I fix CVE-2026-50519?
No fix has been published for CVE-2026-50519 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-50519 being exploited?
There is no known exploitation of CVE-2026-50519 in the wild and no public exploit code.
Other vulnerabilities in Microsoft GitHub Copilot Chat
- CVE-2025-62222 Agentic AI and Visual Studio Code Remote Code Execution Vulnerability
- CVE-2026-65675 CoPilot Chat Security Feature Bypass Vulnerability
- CVE-2025-62449 Microsoft Visual Studio Code CoPilot Chat Extension Security Feature Bypass Vulnerability
- CVE-2026-23653 GitHub Copilot and Visual Studio Code Information Disclosure Vulnerability
Sources
Also known as GHSA-2gq4-362c-56w9.