PT-2026-52700 · Jetbrains · Kotlin

CVE-2026-53914

·

Published

2026-06-26

·

Updated

2026-06-27

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions JetBrains Kotlin versions prior to 2.4.20
Description Unsafe deserialization in the build cache metadata allows for remote code execution. Deserialization is the process of converting a data format, such as JSON or XML, back into an object that can be used by a program.
Recommendations Update to version 2.4.20 or later.

Fix

Deserialization of Untrusted Data

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

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

Affected Products

Kotlin