Vulnerability · Published Feb 10, 2026 · Assigned by microsoft
CVE-2026-21516GitHub Copilot for Jetbrains Remote Code Execution Vulnerability
High 8.8
In plain English
A high-severity command injection in GitHub Copilot Plugin for JetBrains IDEs from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 40.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | GitHub Copilot Plugin for JetBrains IDEs | 1.0.0 – before 1.5.63 |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- GitHub Copilot for Jetbrains Remote Code Execution Vulnerability vendor-advisory, patch