Vulnerability · Published Feb 9, 2026 · Assigned by JetBrains
CVE-2026-25847
High 8.2
In plain English
A high-severity cross-site scripting in PyCharm from JetBrains. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.2%top 86.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains PyCharm before 2025.3.2 a DOM-based XSS on Jupyter viewer page was possible
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L