CVE-2026-123854
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
In JetBrains PyCharm before 2026.3 code execution was possible in Safe Mode via a crafted Jupyter notebook widget module
| CWE | CWE-829 |
| Vendor | jetbrains |
| Product | pycharm |
| Published | Nov 6, 2026 |
| Last Updated | Nov 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
JetBrains / PyCharm
0 < 2026.3