CVE-2026-83953
GitHub Copilot for Jetbrains Information Disclosure Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an authorized attacker to disclose information locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
GitHub Copilot for Jetbrains Information Disclosure Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an authorized attacker to disclose information locally.
- Record
CVE-2026-83953- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-77
- Updated
- 2026-11-10
EUVDEUVD-2026-121523
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an authorized attacker to disclose information locally.
- Record
EUVD-2026-121523- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-5pr7-c8pm-c229
Improper neutralization of special elements used in a command ('command injection') in Github...
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an authorized attacker to disclose information locally.
- Record
GHSA-5pr7-c8pm-c229- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-77
- Updated
- 2026-11-10
NVD
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an authorized attacker to disclose information locally.
- Record
CVE-2026-83953- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-77
- Updated
- 2026-11-11
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-83953 is a medium vulnerability (CVSS 5.5) in Microsoft Github Copilot Plugin For Jetbrains Ides, published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.