JetBrains IntelliJ IDEA prior 2026.3/2026.2.4/2026.1.5.1/2025.3.6.2 Script Engine code injection

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.87+

Summaryinfo

A vulnerability described as problematic has been identified in JetBrains IntelliJ IDEA. This impacts an unknown function of the component Script Engine. The manipulation results in code injection. This vulnerability is cataloged as CVE-2026-123302. The attack must be initiated from a local position. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in JetBrains IntelliJ IDEA. Affected is an unknown code block of the component Script Engine. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4, 2026.1.5.1, 2025.3.6.2 code execution was possible in untrusted projects via script engine discovery

The advisory is available at jetbrains.com. This vulnerability is traded as CVE-2026-123302 since 11/05/2026. The exploitability is told 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 T1059 by the MITRE ATT&CK project.

Upgrading to version 2026.3, 2026.2.4, 2026.1.5.1 or 2025.3.6.2 eliminates this vulnerability.

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Productinfo

Vendor

Name

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

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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: 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 2026.3/2026.2.4/2026.1.5.1/2025.3.6.2

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-2026-123302 (🔒)

GCVE (CVE): GCVE-0-2026-123302
GCVE (VulDB): GCVE-100-431814

Entryinfo

Created: 11/06/2026 11:48
Changes: 11/06/2026 11:48 (62)
Complete: 🔍
Cache ID: 216::103

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