CVE-2026-53914

EUVD-2026-39659
In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.7 MEDIUM
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 9.44%
Affected Products (NVD)
VendorProductVersion
jetbrainskotlin
𝑥
< 2.4.20
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.jetbrains.com/privacy-security/issues-fixed/