CVE-2026-49384: medium-severity vulnerability in JetBrains PyCharm
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.1epss 0.2%
In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
JetBrains · PyCharmRelated CVEs — JetBrains PyCharm
In the same product, most dangerous first.