JetBrains IntelliJ IDEA up to 2026.1 UI Designer code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k2.82

Summaryinfo

A vulnerability was found in JetBrains IntelliJ IDEA up to 2026.1 and classified as critical. Affected is an unknown function of the component UI Designer. Such manipulation leads to code injection. This vulnerability is listed as CVE-2026-64815. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in JetBrains IntelliJ IDEA up to 2026.1 and classified as critical. Affected by this issue is an unknown code of the component UI Designer. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In JetBrains IntelliJ IDEA before 2026.2 arbitrary code injection was possible via UI Designer form files

The advisory is shared for download at jetbrains.com. This vulnerability is handled as CVE-2026-64815 since 07/20/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 2026.2 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: No
Local: No
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 2026.2

Timelineinfo

07/20/2026 CVE reserved
07/23/2026 +3 days Advisory disclosed
07/23/2026 +0 days VulDB entry created
07/23/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: jetbrains.com
Status: Confirmed

CVE: CVE-2026-64815 (🔒)
GCVE (CVE): GCVE-0-2026-64815
GCVE (VulDB): GCVE-100-382568

Entryinfo

Created: 07/23/2026 14:51
Changes: 07/23/2026 14:51 (54)
Complete: 🔍
Cache ID: 216::103

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