JetBrains IntelliJ IDEA up to 2026.2.1 Dev Container Build privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k1.12

Summaryinfo

A vulnerability was found in JetBrains IntelliJ IDEA up to 2026.2.1. It has been declared as problematic. This impacts an unknown function of the component Dev Container Build. Such manipulation leads to privileges management. This vulnerability is referenced as CVE-2026-86504. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in JetBrains IntelliJ IDEA up to 2026.2.1 and classified as problematic. Affected by this issue is some unknown processing of the component Dev Container Build. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust confirmation before building a Dev Container allowed host-level code execution

The advisory is available at jetbrains.com. This vulnerability is handled as CVE-2026-86504 since 09/07/2026. The exploitation is known to be easy. Local access is required to approach this attack. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 2026.2.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-72520). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (JetBrains): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: IntelliJ IDEA 2026.2.2

Timelineinfo

09/07/2026 Advisory disclosed
09/07/2026 +0 days CVE reserved
09/07/2026 +0 days VulDB entry created
09/07/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: jetbrains.com
Status: Confirmed

CVE: CVE-2026-86504 (🔒)
GCVE (CVE): GCVE-0-2026-86504
GCVE (VulDB): GCVE-100-399650
EUVD: 🔒

Entryinfo

Created: 09/07/2026 19:10
Updated: 09/07/2026 21:51
Changes: 09/07/2026 19:10 (63), 09/07/2026 21:51 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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