CVE-2026-49384

MEDIUM 6.1CVE-2026-49384 · Published 29/05/2026 · updated 22/07/2026

In short

CVE-2026-49384 is a MEDIUM (CVSS 6.1) vulnerability affecting pycharm (jetbrains).
Chance of exploitation in the next 30 days (EPSS): 0.18%, higher than 7.7% of all vulnerabilities.
Fix: update to 2025.3.4 or later.

Package	Affected versions	Patched versions
pycharm jetbrains	`< 2025.3.4`	`2025.3.4`

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

Running one of these products? Scan your site to see whether it exposes a vulnerable version.