CVE-2026-64813

CRITICAL

In JetBrains IntelliJ IDEA before 2026.2 unauthorized settings modification was possible in a Remote Development session

Affects 1 product across 1 vendor.

CVSS 3.110.0
EPSS0.5%
Percentile43th
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-602: CWE-602
Related Attack Patterns (CAPEC)
CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
via CWE-602
CAPEC-162 Manipulating Hidden Fields
via CWE-602
CAPEC-208 Removing/short-circuiting 'Purse' logic: removing/mutating 'cash' decrements
via CWE-602
CAPEC-383 Harvesting Information via API Event Monitoring
via CWE-602
CAPEC-385 Transaction or Event Tampering via Application API Manipulation
via CWE-602
Show all 12

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

◆ AI Analysis — automated analysis, not human-reviewed

A critical severity vulnerability (CVE-2026-64813) affects the target system. In JetBrains IntelliJ IDEA before 2026.2 unauthorized settings modification was possible in a Remote Development session

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Frequently Asked Questions
What is CVE-2026-64813?
A critical severity vulnerability (CVE-2026-64813) affects the target system. In JetBrains IntelliJ IDEA before 2026.2 unauthorized settings modification was possible in a Remote Development session
What is the CVSS score for CVE-2026-64813?
CVE-2026-64813 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-2026-64813 actively exploited?
No confirmed active exploitation of CVE-2026-64813 as of 2026-09-25.
How do I remediate CVE-2026-64813?
Advisory: https://www.jetbrains.com/privacy-security/issues-fixed/
What systems are affected by CVE-2026-64813?
CVE-2026-64813 affects Jetbrains Intellij Idea.
Vulnerability Details
CVE IDCVE-2026-64813
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 Relevance0%
Weakness (CWE)
CWE-602
SourceNVD
Official Description

In JetBrains IntelliJ IDEA before 2026.2 unauthorized settings modification 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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