{"id":"CLEANSTART-2026-IY63295","summary":"malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go ...","details":"Security vulnerability affects the kubernetes package. A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache.","modified":"2026-10-31T01:02:20.511761776Z","published":"2026-10-30T07:28:53.168785Z","upstream":["CVE-2026-56865"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-IY63295.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-56865"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56865"}],"affected":[{"package":{"name":"kubernetes","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/kubernetes"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.36.3-r2"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-IY63295.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}