JetBrains Marketplace Verified

Kotlin

by JetBrains · 37.9M users · 4.2 rating
527f6fd9-84fe-57f6-ba1d-6a7547b7d62e | v263.6259.32-IJ
50/ 100
MEDIUM risk
No change since v263.5701.42-IJ
Risk verdict
Review before use

Score-based assessment (medium risk, 50/100). No analyst review available.

Analysis record

Analysed
Today
Version
v263.6259.32-IJ
Artifact
SHA256 2BA…380
Source
Findings (non-IoC)

Evidence ledger

Ranked by severity · findings with a source location link to the code viewer

1000 detail rows
Showing 25 of 107 · highest severity first

YARA Rule Matches

12 rules
SeverityRuleHitsFilesMetadata
LOWpostinstall persistence mechanism 54
Kotlin/lib/modules/intellij.kotlin.projectWizard.idea.jarKotlin/lib/intellij.libraries.kotlinc.kotlin.compiler.common.jarKotlin/kotlinc/lib/kotlin-main-kts.jar +51 more
-
LOWcredential env files 4
Kotlin/lib/jps/kotlin-jps-plugin.jarKotlin/lib/intellij.libraries.kotlinc.kotlin.compiler.common.jarKotlin/lib/modules/intellij.kotlin.ultimate.javascript.nodeJs.jar +1 more
-
LOWPM Zip with js 24
Kotlin/lib/modules/intellij.kotlin.base.scripting.jarKotlin/lib/modules/kotlin.jvm.shared.jarKotlin/lib/modules/intellij.kotlin.base.scripting.scratch.jar +21 more
-
LOWpostinstall file download 55
Kotlin/lib/modules/kotlin.fir.frontend-independent.jarKotlin/lib/modules/intellij.kotlin.jvm.debugger.core.jarKotlin/lib/modules/intellij.kotlin.jvm.debugger.coroutines.jar +52 more
-
LOWpostinstall obfuscation 129
Kotlin/lib/intellij.libraries.kotlinc.kotlin.compiler.fir.jarKotlin/lib/modules/intellij.kotlin.compilerPlugins.parcelize.jarKotlin/lib/modules/kotlin.jvm.shared.jar +126 more
-
LOWpostinstall system command 179
Kotlin/lib/intellij.libraries.kotlinc.kotlin.compiler.ir.jarKotlin/lib/modules/intellij.libraries.kotlinc.analysis.api.impl.base.jarKotlin/lib/modules/intellij.kotlin.ultimate.javascript.debugger.jar +176 more
-
LOWpostinstall network communication 76
Kotlin/kotlinc/license/third_party/teamcity-service-messages_LICENSE.txtKotlin/lib/modules/intellij.kotlin.maven.jarKotlin/kotlinc/lib/kotlin-stdlib-sources.jar +73 more
-
LOWpostinstall file manipulation 109
Kotlin/lib/modules/intellij.kotlin.codeInsight.shared.jarKotlin/lib/modules/intellij.kotlin.performanceExtendedPlugin.jarKotlin/lib/intellij.kotlin.jsr223.jar +106 more
-
LOWpostinstall crypto operations 132
Kotlin/lib/modules/intellij.kotlin.projectWizard.idea.jarKotlin/lib/modules/intellij.kotlin.base.analysis.utils.jarKotlin/lib/intellij.libraries.kotlinc.compose.compiler.plugin.jar +129 more
-
LOWpostinstall registry modification 93
Kotlin/kotlinc/lib/kotlin-main-kts.jarKotlin/lib/modules/intellij.kotlin.maven.jarKotlin/lib/intellij.libraries.kotlinc.js.plain.objects.compiler.plugin.jar +90 more
-
LOWJavaDropper 20
Kotlin/lib/kotlin-plugin.jarKotlin/lib/intellij.libraries.kotlinc.kotlin.dataframe.compiler.plugin.jarKotlin/lib/intellij.libraries.kotlinc.kotlin.compiler.fe10.jar +17 more
-
LOWDebuggerStatementsShouldNotBeUsed 18
Kotlin/lib/modules/intellij.kotlin.jvm.debugger.coroutines.jarKotlin/lib/modules/intellij.kotlin.ultimate.native.debugger.jarKotlin/lib/kotlin-plugin.jar +15 more
-

Network Indicators

Concrete URLs, domains, IPs, emails, and hashes extracted from the analyzed artifact.

3,825 total
...

Network indicators are queued for lazy loading

Scroll this section into view to load the detailed rows.

Publisher Evidence

High

JetBrains

Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.

100
Noisy-finding weight
x0.50
Publisher domain
jetbrains.com
Trusted match
Store verification signal
Verified publisher
Verified
Extension portfolio
945
Portfolio

12 evidence rows available.

Finding Categories

3,825
IoC Indicators

YARA Rules Matched

12 rules(893 hits)
postinstall persistence mechanism credential env files PM Zip with js postinstall file download postinstall obfuscation postinstall system command postinstall network communication postinstall file manipulation postinstall crypto operations postinstall registry modification JavaDropper DebuggerStatementsShouldNotBeUsed

Security Analysis Summary

Security Analysis Overview

Kotlin is a JetBrains Marketplace extension published by JetBrains. Version 263.6259.32-IJ has been analyzed by the Risky Plugins security platform, receiving a risk score of 50.1/100 (MEDIUM risk) based on 5030 security findings.

Risk Assessment

This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.

Findings Breakdown

  • Medium: 3825 finding(s)
  • Low: 893 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

Kotlin is published by JetBrains on the JetBrains Marketplace marketplace. The extension has approximately 37.9M users.

Recommendation

Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.

JetBrains version history

Risk trend by version

6 analyzed versions. Each point is the latest successful scan for that version; failed zero-score scans are hidden. Dates are based on first seen by risky plugins.

Selected
50
Change since first
No change
Change from previous
No change
Versions:
First analyzed version
263.3889.65-IJ
Sep 2, 2026
Risk range
50 to 50
Across analyzed versions
Latest analyzed version
263.6259.32-IJ
Oct 1, 2026
Selected version
medium
Version
v263.6259.32-IJ
Today
Risk score
50
Findings
5030
Change vs previous
No change

Pick any point on the chart to explore that version's code below.

About This Extension

Provides language support for Kotlin, a modern programming language designed to make developers happier. Getting Started Public Slack Issue tracker.

Frequently Asked Questions