JetBrains Kotlin: Unsafe Deserialization in Kotlin Build Cache Enables Code Execution
In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-53914US | critical9.8 | — | ||
In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/JetBrains/kotlinPACKAGE
- https://github.com/JetBrains/kotlin/commit/bf51df665b458fda7c3eaf436c4d88dc119d7ec6WEB
- https://github.com/JetBrains/kotlin/releases/tag/v2.4.20-Beta1WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-53914ADVISORY
- https://www.jetbrains.com/privacy-security/issues-fixedWEB
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