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Vulnerability IntelligenceCVE-2026-49384

CVE-2026-49384

MEDIUM6.1

In JetBrains PyCharm before 2025

Published May 29, 2026

Modified 1 weeks ago

Fix available

Details

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

Affected Packages

pycharm

Debian 10Debian 11Debian 12Debian 13Fedora 39

Fixed in:

2025.3.4

pycharm-community

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

2025.3.4

pycharm-professional

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

2025.3.4

PyCharm

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

2025.3.4

PyCharm Community Edition

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

2025.3.4

PyCharm CE

macOS 14macOS 15macOS 26

Fixed in:

2025.3.4

References

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-49384

WEB

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

CVSS Analysis

CVSS v3.1

6.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

ChangedS:C

Impact

Confidentiality

LowC:L

Integrity

LowI:L

Availability

NoneA:N

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

Weakness Type (CWE)

Injection

CWE-79

Cross-site Scripting (XSS)

Ecosystems(42)

Debian 10 Debian 11 Debian 12 Debian 13 Fedora 39

Timeline

PublishedMay 29, 2026

ModifiedMay 29, 2026

CVE-2026-49384 | Mondoo Vulnerability Intelligence