{"id":"CVE-2026-116188","revision":"66391d1ae4664d7c855d74d23f2e94ed","records":[{"revision":"66391d1ae4664d7c855d74d23f2e94ed","observedAt":"2026-10-25T15:17:04.459+00:00","statement":{"source":"cve-program","id":"CVE-2026-116188","aliases":[],"title":"rclone serve s3 1.75.0 before 1.75.2 Memory Limit Bypass via Multipart Overflow","description":"rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain out-of-order parts in memory, exhausting the host.","state":0,"publishedAt":"2026-10-25T13:20:24.506+00:00","modifiedAt":"2026-10-25T13:20:24.506+00:00","affected":[{"ecosystem":"Vendor product","name":"rclone","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"rclone\",\n                    \"product\": \"rclone\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/rclone/rclone\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.75.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.75.2\"\n                        },\n                        {\n                            \"version\": \"1.75.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/rclone/rclone/security/advisories/GHSA-qjw8-8hmp-c3m6","https://www.vulncheck.com/advisories/rclone-serve-s3-1.75.0-before-1.75.2-memory-limit-bypass-via-multipart-overflow"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116188","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116188","identifiers":["CVE-2026-116188"]},"retained":false,"historicalAffected":[]}],"coverage":[]}