Inclusion of Functionality from Untrusted Control Sphere in PyCharm - CVE-2026-65908
Published: August 17, 2026
Vulnerability identifier: #VU143859
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65908
CWE-ID: CWE-829
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to inclusion of functionality from untrusted control sphere in project opening logic when opening an untrusted project with a malicious Python executable. A remote attacker can supply an untrusted project containing a malicious Python executable to execute arbitrary code.
User interaction is required to open an untrusted project.
Affected software
PyCharm
How to mitigate CVE-2026-65908
Install security update from vendor's website.
PyCharm - addressed in versions 2026.1.4, 2026.2