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CVE-2026-53914GHSA-R937-WJX7-W2JP

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.4.20, 2.4.20-Beta1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata

Timeline

  1. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  2. CVE published
  3. Record last updated

Affected versions

  • JetBrains Kotlin

    fixed in 2.4.20

  • org.jetbrains.kotlin:kotlin-gradle-pluginMaven

    fixed in 2.4.20-Beta1

References 1

jetbrains.com