How severe is CVE-2026-64812?

CVE-2026-64812 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-64812 being actively exploited?

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

What products are affected by CVE-2026-64812?

CVE-2026-64812 affects Jetbrains Intellij Idea. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-64812?

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

When was CVE-2026-64812 published?

CVE-2026-64812 was published on 2026-07-23 and last updated on 2026-07-28.

CVE-2026-64812

CVE-2026-64812 is a critical-severity vulnerability in Jetbrains Intellij Idea with a CVSS 3.x base score of 10.0. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Jetbrains Intellij Idea
Published: 2026-07-23
Last modified: 2026-07-28

Description

In JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development session

Frequently asked questions

What is CVE-2026-64812?: In JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development session
How severe is CVE-2026-64812?: CVE-2026-64812 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-64812 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-64812?: CVE-2026-64812 affects Jetbrains Intellij Idea. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-64812?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-64812 published?: CVE-2026-64812 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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