CVE-2026-64812

CRITICAL

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

Affects 1 product across 1 vendor.

CVSS 3.110.0
EPSS0.5%
Percentile40th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, can impact systems beyond the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-306: Missing Authentication for Critical Function

Software does not perform any authentication for functionality that requires a verified identity.

Related Attack Patterns (CAPEC)
CAPEC-12 Choosing Message Identifier
via CWE-306
CAPEC-36 Using Unpublished Interfaces or Functionality
via CWE-306
CAPEC-62 Cross Site Request Forgery
via CWE-306
CAPEC-166 Force the System to Reset Values
via CWE-306
CAPEC-216 Communication Channel Manipulation
via CWE-306

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A critical severity vulnerability (CVE-2026-64812) affects the target system. In JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development session

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Frequently Asked Questions
What is CVE-2026-64812?
A critical severity vulnerability (CVE-2026-64812) affects the target system. In JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development session
What is the CVSS score for CVE-2026-64812?
CVE-2026-64812 has CVSS 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. EPSS: 0.5%.
Is CVE-2026-64812 actively exploited?
No confirmed active exploitation of CVE-2026-64812 as of 2026-09-25.
How do I remediate CVE-2026-64812?
Advisory: https://www.jetbrains.com/privacy-security/issues-fixed/
What systems are affected by CVE-2026-64812?
CVE-2026-64812 affects Jetbrains Intellij Idea.
Vulnerability Details
CVE IDCVE-2026-64812
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published2026-07-23
Last Modified2026-07-28
ICS Relevance15%
Weakness (CWE)
Missing Authentication for Critical Function
SourceNVD
Official Description

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

Source: NIST NVD / MITRE CVE Database

Affected Products
VendorProductAffected Versions
Jetbrains Intellij Idea < 2026.2
Remediation
View Vendor Advisory →
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 84 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
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