CVE-2026-53914: In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata
In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-53914
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-539140.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53914 | coverage & exploitation status | NVD · CVE.org |
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