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MEDIUM · 6.7

CVE-2026-53914

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

Vulnerability Description

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

CVSS Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
JetbrainsKotlin< 2.4.20

Related Weaknesses (CWE)

CWE-502

References

FAQ

What is CVE-2026-53914?

CVE-2026-53914 is a vulnerability with a CVSS score of 6.7 (MEDIUM). In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata

How severe is CVE-2026-53914?

CVE-2026-53914 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-53914?

Check the references section above for vendor advisories and patch information. Affected products include: Jetbrains Kotlin.