CVE-2026-50519: CWE-1188: Initialization of a Resource with an Insecure Default in Microsoft GitHub Copilot Chat
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.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-50519 affects Microsoft GitHub Copilot Chat version 1.0.0. It involves the initialization of a resource with an insecure default configuration, which can lead to unauthorized information disclosure over a network. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, high confidentiality impact, no integrity or availability impact, and an official fix remediation level. Microsoft has published an official fix for this vulnerability as detailed in their security advisory.
Potential Impact
An attacker without privileges can exploit this vulnerability remotely with user interaction to disclose sensitive information over the network. The confidentiality impact is high, but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft for GitHub Copilot Chat version 1.0.0. Users and administrators should apply the patch provided in the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50519 to remediate this vulnerability.
CVE-2026-50519: CWE-1188: Initialization of a Resource with an Insecure Default in Microsoft GitHub Copilot Chat
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.
CVSS v3.1
Score 6.5medium
Affected software
pkg:github/microsoft/github-copilot-chatRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-50519 affects Microsoft GitHub Copilot Chat version 1.0.0. It involves the initialization of a resource with an insecure default configuration, which can lead to unauthorized information disclosure over a network. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, high confidentiality impact, no integrity or availability impact, and an official fix remediation level. Microsoft has published an official fix for this vulnerability as detailed in their security advisory.
Potential Impact
An attacker without privileges can exploit this vulnerability remotely with user interaction to disclose sensitive information over the network. The confidentiality impact is high, but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft for GitHub Copilot Chat version 1.0.0. Users and administrators should apply the patch provided in the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50519 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T19:00:41.292Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50519","vendor":"Microsoft"}]
Threat ID: 6a35b179daaa79a87d1ec8a4
Added to database: 06/19/2026, 21:15:37 UTC
Last enriched: 07/29/2026, 22:10:24 UTC
Last updated: 08/02/2026, 20:46:06 UTC
Views: 93
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