CVE-2026-25847 — HIGH (8.2)

Q: What is CVE-2026-25847?

CVE-2026-25847 is a vulnerability with a CVSS score of 8.2 (HIGH). In JetBrains PyCharm before 2025.3.2 a DOM-based XSS on Jupyter viewer page was possible

Q: How severe is CVE-2026-25847?

CVE-2026-25847 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-25847?

Check the references section above for vendor advisories and patch information. Affected products include: Jetbrains Pycharm.

Vulnerability Description

In JetBrains PyCharm before 2025.3.2 a DOM-based XSS on Jupyter viewer page was possible

CVSS Score

8.2

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

LOW

Affected Products

Vendor	Product	Versions
Jetbrains	Pycharm	< 2025.3.2

Related Weaknesses (CWE)

CWE-79

References

https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory

FAQ

What is CVE-2026-25847?

CVE-2026-25847 is a vulnerability with a CVSS score of 8.2 (HIGH). In JetBrains PyCharm before 2025.3.2 a DOM-based XSS on Jupyter viewer page was possible

How severe is CVE-2026-25847?

CVE-2026-25847 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-25847?

Check the references section above for vendor advisories and patch information. Affected products include: Jetbrains Pycharm.