CVE-2026-111091
In JetBrains Junie CLI before 26.8.3 code execution was possible via an untrusted project's MCP...
In JetBrains Junie CLI before 26.8.3 code execution was possible via an untrusted project's MCP server configuration
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains Junie CLI before 26.8.3 code execution was possible via an untrusted project's MCP server configuration
- Record
CVE-2026-111091- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-829
- Updated
- 2026-11-02
EUVDEUVD-2026-102144
In JetBrains Junie CLI before 26.8.3 code execution was possible via an untrusted project's MCP server configuration
- Record
EUVD-2026-102144- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-44gv-r4c4-w64m
In JetBrains Junie CLI before 26.8.3 code execution was possible via an untrusted project's MCP...
In JetBrains Junie CLI before 26.8.3 code execution was possible via an untrusted project's MCP server configuration
- Record
GHSA-44gv-r4c4-w64m- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-829
- Updated
- 2026-11-02
NVD
In JetBrains Junie CLI before 26.8.3 code execution was possible via an untrusted project's MCP server configuration
- Record
CVE-2026-111091- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-829
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-111091 is a high vulnerability (CVSS 7.8) in Jetbrains Junie Cli, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 2nd percentile. No source names a fixed version.