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JetBrains KotlinIn JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the buil…

Risk 86
Severity
9.8
AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L

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

First published (updated )
CVE-2026-53914

JetBrains Kotlin 2.4End of life details

Latest version: 2.4.10

First published (updated )
EOL-kotlin-2.4

redhat/kotlinIn JetBrains Kotlin before 1.4.21, a vulnerable Java API was used for temporary file and folder crea…

Risk 28
Severity
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

In JetBrains Kotlin before 1.4.21, a vulnerable Java API was used for temporary file and folder creation. An attacker was able to read data from such files and list directories due to insecure permissions.

First published (updated )
CVE-2020-29582

JetBrains Kotlin 2.3Reached end of life

EOL
Jun 3, 2026

End of life: 6/3/2026, Latest version: 2.3.21

First published (updated )
EOL-kotlin-2.3

JetBrains Kotlin 2.2Reached end of life

EOL
Dec 16, 2025

End of life: 12/16/2025, Latest version: 2.2.21

First published (updated )
EOL-kotlin-2.2

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