CVE-2026-65908
PyCharm RCE: arbitrary code runs when opening untrusted project with malicious Python executable
Is CVE-2026-65908 being exploited?
Not confirmed. CVE-2026-65908 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.18% probability of exploitation in the next 30 days.
How severe is CVE-2026-65908?
CVE-2026-65908 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-65908?
Yes. A fix has been recorded for CVE-2026-65908. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-65908 affect?
CVE-2026-65908 affects JetBrains PyCharm <2026.1.4, JetBrains PyCharm 2026.2 (unpatched). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-65908?
Update PyCharm to 2026.1.4 or later (apply vendor patch immediately).
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary code execution as the user when opening an untrusted project containing a malicious Python executable; attackers can run commands, install backdoors, steal data.
Immediate action required
- affected< 2026.1.4, 2026.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.