SB20261111131 - Command injection in GitHub Copilot Plugin for JetBrains IDEs
Published: November 11, 2026
Security Bulletin ID
SB20261111131
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Command injection (CVE-ID: CVE-2026-83953)
CWE-ID: CWE-77 - Command injection
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose information by reading files without authorization.
The vulnerability exists due to improper neutralization of special elements used in a command in the GitHub Copilot Plugin for JetBrains IDEs when processing input used to construct commands. A local user can inject command elements to gain unauthorized read access to the local file system.
Remediation
Install update from vendor's website.