cbcvebase.
CVE-2026-53914
published 2026-06-26

CVE-2026-53914: In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata

PriorityP354critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.20%
9.4th percentile
In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata

Affected

1 ranges
VendorProductVersion rangeFixed in
jetbrainskotlin< 2.4.202.4.20
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.