IntelliJ IDEA vulnerabilities: known CVEs & security history
JetBrains · Developer Tools · 11 tracked CVEs · 0 actively exploited · updated August 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all IntelliJ IDEA release lines — 11 in total. A CVE here doesn't mean your version is affected — check IntelliJ IDEA's current status and the safe version to run.
Known IntelliJ IDEA CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-64813 | critical | 10 | 0% | 2026 |
| CVE-2026-64812 | critical | 10 | 0% | 2026 |
| CVE-2026-59792 | critical | 9.6 | 0% | 2026 |
| CVE-2026-64814 | high | 8.6 | 0% | 2026 |
| CVE-2026-64815 | high | 8.1 | 0% | 2026 |
| CVE-2026-49367 | high | 8 | 0% | 2026 |
| CVE-2026-64811 | high | 7.8 | 0% | 2026 |
| CVE-2026-49366 | high | 7.8 | 0% | 2026 |
| CVE-2026-49382 | medium | 4.5 | 0% | 2026 |
| CVE-2026-64810 | medium | 4.3 | 0% | 2026 |
| CVE-2026-49383 | low | 3.3 | 0% | 2026 |
Is my IntelliJ IDEA version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your IntelliJ IDEA version → · Monitor IntelliJ IDEA for new CVEs →
IntelliJ IDEA vulnerabilities — frequently asked
How many known vulnerabilities does IntelliJ IDEA have?
IsItPatched tracks 11 CVEs for IntelliJ IDEA. 3 are critical-severity and 5 high-severity. These span every release line — what matters is whether the version you run is affected.
Does IntelliJ IDEA have any actively-exploited vulnerabilities?
None of IntelliJ IDEA's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe IntelliJ IDEA vulnerability?
Among tracked issues, CVE-2026-64813 (CRITICAL, CVSS 10) ranks highest — a CWE-602 weakness.
Is IntelliJ IDEA safe to use?
It depends on the version. The latest supported IntelliJ IDEA release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: IntelliJ IDEA security status · IntelliJ IDEA end-of-life · actively-exploited CVEs. Always verify against JetBrains's advisories — see our disclaimer.