CVE-2026-49384: CWE-79 in JetBrains PyCharm
In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible
CVE-2026-49384: CWE-79 in JetBrains PyCharm
Description
In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible
CVSS v3.1
Score 6.1medium
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-05-29T18:07:59.764Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a19dc13e29bf47b50ff88f5
Added to database: 5/29/2026, 6:33:55 PM
Last updated: 5/29/2026, 6:34:29 PM
Views: 1
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