{"action":"Upgrade org.jetbrains.kotlin:kotlin-gradle-plugin to 2.4.20-Beta1 or later.","affected":[{"fixed":"2.4.20-Beta1","introduced":"0"}],"component":"org.jetbrains.kotlin:kotlin-gradle-plugin","cve_ids":["CVE-2026-53914"],"ecosystem":"Maven","epss":0.00333,"exploited":false,"fixed_versions":["2.4.20-Beta1"],"ghsa_id":"GHSA-r937-wjx7-w2jp","id":"tcs_01M5N9BA5XTZN6TATRV2DR6BRX","modified_at":"2026-08-12T19:40:59.256901Z","published_at":"2026-06-26T15:32:13Z","references":["https://osv.dev/vulnerability/GHSA-r937-wjx7-w2jp","https://nvd.nist.gov/vuln/detail/CVE-2026-53914","https://github.com/JetBrains/kotlin/commit/bf51df665b458fda7c3eaf436c4d88dc119d7ec6","https://github.com/JetBrains/kotlin","https://github.com/JetBrains/kotlin/releases/tag/v2.4.20-Beta1","https://www.jetbrains.com/privacy-security/issues-fixed"],"severity":{"label":"medium","score":6.7},"sources":[{"source":"osv","source_id":"GHSA-r937-wjx7-w2jp","url":"https://osv.dev/vulnerability/GHSA-r937-wjx7-w2jp"}],"summary":"JetBrains Kotlin: Unsafe Deserialization in Kotlin Build Cache Enables Code Execution"}