CVE-2026-75059 Cross-site scripting in PyCharm

Medium 4.4 Published 17 Aug 2026 Updated 18 Aug 2026

Attackers can execute arbitrary code via Quick Documentation in JetBrains PyCharm, requiring users to upgrade to the latest version.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-75059?

CVE-2026-75059 is a medium-severity cross-site scripting vulnerability in JetBrains PyCharm, published on 17 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In JetBrains PyCharm before 2026.2.1 code execution via Quick Documentation was possible

Weakness: CWE-79

Which versions are affected by CVE-2026-75059?

It affects 1 product.

Products include Jetbrains Pycharm.

How do I fix CVE-2026-75059?

No fix has been published for CVE-2026-75059 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-75059 being exploited?

There is no known exploitation of CVE-2026-75059 in the wild and no public exploit code.

Sources

Also known as GHSA-vw8w-wwww-3834.