CVE-2026-123842
In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when...
In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when extracting plugin archives
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
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when extracting plugin archives
- Record
CVE-2026-123842- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-06
EUVDEUVD-2026-118345
In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when extracting plugin archives
- Record
EUVD-2026-118345- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-m67g-5rw4-gf98
In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when...
In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when extracting plugin archives
- Record
GHSA-m67g-5rw4-gf98- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-06
NVD
In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when extracting plugin archives
- Record
CVE-2026-123842- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H - Weakness
- CWE-59
- 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-2026-123842 is a high vulnerability (CVSS 7.1) 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 0.17%, the 6th percentile. No source names a fixed version.