CVE-2026-123847
In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in...
In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in terminal command completion
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in terminal command completion
- Record
CVE-2026-123847- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N - Weakness
- CWE-150
- Updated
- 2026-11-07
EUVDEUVD-2026-118350
In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in terminal command completion
- Record
EUVD-2026-118350- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-9mx8-3v77-3r9q
In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in...
In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in terminal command completion
- Record
GHSA-9mx8-3v77-3r9q- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N - Weakness
- CWE-150
- Updated
- 2026-11-06
NVD
In JetBrains IntelliJ IDEA before 2026.3 command execution was possible via control characters in terminal command completion
- Record
CVE-2026-123847- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N - Weakness
- CWE-150
- Updated
- 2026-11-06
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references, title | EUVD, GitHub Advisories | |
| cwes, severity | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-123847 is a medium vulnerability (CVSS 5.3) in Jetbrains Intellij Idea, published November 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.