How severe is CVE-2026-64814?

CVE-2026-64814 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-64814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-64814?

CVE-2026-64814 affects Jetbrains Intellij Idea. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-64814?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-64814 published?

CVE-2026-64814 was published on 2026-07-23 and last updated on 2026-07-28.

CVE-2026-64814

CVE-2026-64814 is a high-severity vulnerability in Jetbrains Intellij Idea with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Jetbrains Intellij Idea
Published: 2026-07-23
Last modified: 2026-07-28

Description

In JetBrains IntelliJ IDEA before 2026.2 unauthorized file access was possible in a Remote Development session

Frequently asked questions

What is CVE-2026-64814?: In JetBrains IntelliJ IDEA before 2026.2 unauthorized file access was possible in a Remote Development session
How severe is CVE-2026-64814?: CVE-2026-64814 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-64814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-64814?: CVE-2026-64814 affects Jetbrains Intellij Idea. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-64814?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-64814 published?: CVE-2026-64814 was published on 2026-07-23 and last updated on 2026-07-28.

References

https://www.jetbrains.com/privacy-security/issues-fixed/

Affected products (1)

cpe:2.3:a:jetbrains:intellij_idea:*:*:*:*:*:*:*:*

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