CVE-2026-86502: CWE-306 in JetBrains IntelliJ IDEA
In JetBrains IntelliJ IDEA before 2026.2.2 missing TLS and authentication on the IJent gRPC server allowed local code execution on Remote Development hosts
AI Analysis
Technical Summary
CVE-2026-86502 describes a security flaw in JetBrains IntelliJ IDEA versions prior to 2026.2.2 where the IJent gRPC server lacks TLS encryption and authentication mechanisms. This deficiency enables an attacker with local access to execute code on Remote Development hosts. The vulnerability is classified under CWE-306 (Missing Authentication for Critical Function).
Potential Impact
An attacker with local access can execute arbitrary code on Remote Development hosts, potentially leading to full compromise of the affected system. The CVSS v3.1 score is 8.4, indicating high severity with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in JetBrains IntelliJ IDEA version 2026.2.2. Users should upgrade to this version or later to remediate the vulnerability. No additional mitigation guidance is provided in the vendor advisory.
CVE-2026-86502: CWE-306 in JetBrains IntelliJ IDEA
Description
In JetBrains IntelliJ IDEA before 2026.2.2 missing TLS and authentication on the IJent gRPC server allowed local code execution on Remote Development hosts
CVSS v3.1
Score 8.4high
Affected software
pkg:maven/com.jetbrains/intellij-ideaRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86502 describes a security flaw in JetBrains IntelliJ IDEA versions prior to 2026.2.2 where the IJent gRPC server lacks TLS encryption and authentication mechanisms. This deficiency enables an attacker with local access to execute code on Remote Development hosts. The vulnerability is classified under CWE-306 (Missing Authentication for Critical Function).
Potential Impact
An attacker with local access can execute arbitrary code on Remote Development hosts, potentially leading to full compromise of the affected system. The CVSS v3.1 score is 8.4, indicating high severity with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in JetBrains IntelliJ IDEA version 2026.2.2. Users should upgrade to this version or later to remediate the vulnerability. No additional mitigation guidance is provided in the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3v3f-g56p-vw6w
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86502"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a9f9113acd9273b49ff2bc6
Added to database: 09/08/2026, 04:37:39 UTC
Last enriched: 09/08/2026, 04:52:27 UTC
Last updated: 09/09/2026, 01:51:59 UTC
Views: 14
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