Affects widely used developer IDE (IntelliJ) and Remote Development workflows; exploitable vulnerability can lead to widespread code/execution compromise and would make cybersecurity news.
CVE-2026-64812
Critical input-injection in IntelliJ Remote Development enabling session takeover and code/credential compromise
Is CVE-2026-64812 being exploited?
Not confirmed. CVE-2026-64812 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 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-64812?
CVE-2026-64812 is rated Critical with a CVSS score of 10.0. 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-2026-64812?
Yes. A fix has been recorded for CVE-2026-64812. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-64812 affect?
CVE-2026-64812 affects JetBrains IntelliJ IDEA < 2026.2, IntelliJ Remote Development sessions/plugins, Developer workstations and remote dev hosts. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-64812?
Upgrade to IntelliJ IDEA 2026.2 immediately; disable Remote Development until updated.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthorized input injection in Remote Development sessions enabling command execution, session takeover, code exfiltration, and credential compromise.
Immediate action required
- affected< 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.