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Vulnerabilities

Vulnerability · CVE-2026-25847

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

Published Feb 9, 2026 · catalog updated Feb 26, 2026 · JetBrains PyCharm

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-25847. EPSS is 0.23%. Act only if a listed version of JetBrains PyCharm is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Version ranges on file
Affected products
vendor JetBrains PyCharm 0 <2025.3.2

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor JetBrains PyCharm 0 <2025.3.20 <2025.3.2

How to fix CVE-2026-25847

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-25847. EPSS is 0.23%. Act only if a listed version of JetBrains PyCharm is installed.

Which versions are affected?

Compare what you have installed with JetBrains PyCharm 0 <2025.3.2 0 <2025.3.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 9, 2026 · EUVD

    Detected

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

  2. Feb 26, 2026 · EUVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-25847

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-25847

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2026-6391

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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026