CVE-2026-53914
MEDIUM severity · CVSS 6.7 · Insecure deserialization
6.7CVSS MEDIUM
Summary
In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges requiredHigh
User interactionNone
Confidentiality impactHigh
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.