CVE-2026-49384 PUBLISHED

Assigner: JetBrains
Reserved: 29.05.2026 Published: 29.05.2026 Updated: 29.05.2026

In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS Score: 6.1

Product Status

Vendor JetBrains
Product PyCharm
Versions Default: unaffected
  • affected from 0 to 2025.3.4 (excl.)

References

Problem Types

  • CWE-79