JetBrains IntelliJ IDEA up to 2026.2 JDBC Worker RMI Endpoint code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k1.29+

Summaryinfo

A vulnerability, which was classified as critical, was found in JetBrains IntelliJ IDEA up to 2026.2. This affects an unknown part of the component JDBC Worker RMI Endpoint. Executing a manipulation can lead to code injection. This vulnerability appears as CVE-2026-123278. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in JetBrains IntelliJ IDEA up to 2026.2. It has been declared as critical. This vulnerability affects some unknown functionality of the component JDBC Worker RMI Endpoint. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In JetBrains IntelliJ IDEA before 2026.3 code execution was possible via the unauthenticated JDBC worker RMI endpoint

The advisory is available at jetbrains.com. This vulnerability was named CVE-2026-123278 since 11/05/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

Upgrading to version 2026.3 eliminates this vulnerability.

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: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.7
CNA Vector (JetBrains): 🔒

CVSSv2info

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

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

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 2026.3

Timelineinfo

11/05/2026 CVE reserved
11/06/2026 +1 days Advisory disclosed
11/06/2026 +0 days VulDB entry created
11/06/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: jetbrains.com
Status: Confirmed

CNA: JetBrains
CVE: CVE-2026-123278 (🔒)

GCVE (CVE): GCVE-0-2026-123278
GCVE (VulDB): GCVE-100-431818

Entryinfo

Created: 11/06/2026 11:49
Changes: 11/06/2026 11:49 (63)
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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