{"id":"CVE-2026-103937","revision":null,"records":[{"revision":"96ce66d36352449583aabcc3b5d22974","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103937","aliases":[],"title":"Misskey: Denial of service resulting from insufficient cleanup processing during file uploads","description":"Misskey is an open source, federated social media platform. From 13.0.0 until 2025.4.1 and from 2025.5.0 until 2026.7.0, cleanup processing may not execute during file uploads. Repeated uploads can exhaust storage or file descriptors and deny service regardless of whether federation is enabled. This issue is fixed in version 2026.7.0.","state":0,"publishedAt":"2026-10-13T18:42:17.022+00:00","modifiedAt":"2026-10-14T16:03:42.443+00:00","affected":[{"ecosystem":"Vendor product","name":"misskey","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"misskey-dev\",\n                    \"product\": \"misskey\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 12.0.0, <= 13.14.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 2023.9.0-beta.1, < 2025.4.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 2025.5.0, < 2026.7.0\",\n                            \"status\": \"affected\"\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:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://github.com/misskey-dev/misskey/security/advisories/GHSA-m9xp-2fvm-pfmq","https://github.com/misskey-dev/misskey/pull/17750","https://github.com/misskey-dev/misskey/commit/3f28489fb856e6e07a16290f3ea1e1261572b527","https://github.com/misskey-dev/misskey/releases/tag/2026.7.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103937","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103937","identifiers":["CVE-2026-103937"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-a6dc967b5ceb4c488191e8f172ded5d6","complete":true,"records":13689,"lastAttemptAt":"2026-11-10T03:04:49.9204715+00:00","lastSuccessAt":"2026-11-10T03:04:49.903+00:00","error":null,"lastVerifiedAt":"2026-11-10T03:04:49.903+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13742,"expectedIdentifiers":13742,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-10T03:04:22.1901019+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-10T03:04:22.1901019+00:00","lastSuccessAt":"2026-11-10T03:04:22.4569928+00:00","error":null,"lastVerifiedAt":"2026-11-10T03:04:22.4569929+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-fbf77538c5e64cc7afc868fbb9fb5c24","complete":true,"records":13695,"lastAttemptAt":"2026-11-10T03:04:25.9116946+00:00","lastSuccessAt":"2026-11-10T03:04:25.908+00:00","error":null,"lastVerifiedAt":"2026-11-10T03:04:25.908+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13742,"expectedIdentifiers":13742,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-cdffb4589856378aa42e8d1bd4a6c74e27a180d8160bf764c44715ef760f0a62","complete":true,"records":9932,"lastAttemptAt":"2026-11-10T03:04:22.1448418+00:00","lastSuccessAt":"2026-11-10T00:04:19.8260565+00:00","error":null,"lastVerifiedAt":"2026-11-10T03:04:22.1448418+00:00","snapshotPublishedAt":"2026-11-09T23:48:01+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-26503967ae4379db8f374089589d6e03fb15bd31f820c9e992aaf93840c2236c","complete":true,"records":1971,"lastAttemptAt":"2026-11-10T03:02:15.7065854+00:00","lastSuccessAt":"2026-11-09T21:02:20.472473+00:00","error":null,"lastVerifiedAt":"2026-11-10T03:02:15.7065854+00:00","snapshotPublishedAt":"2026-11-09T20:18:18+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-761ecc9061239b0da572dc9254c6f384c1d19339eb08408c436647a2f26129e9","complete":true,"records":3064,"lastAttemptAt":"2026-11-10T03:04:22.1570804+00:00","lastSuccessAt":"2026-11-09T17:05:03.4044794+00:00","error":null,"lastVerifiedAt":"2026-11-10T03:04:22.1570804+00:00","snapshotPublishedAt":"2026-11-09T16:33:20+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-46a53ca789ff58f13bbd6bc37e88737e9f32db19151b87bd49ca256b0948c4d8","complete":true,"records":231581,"lastAttemptAt":"2026-11-10T03:04:22.0184338+00:00","lastSuccessAt":"2026-11-10T03:04:20.6050085+00:00","error":null,"lastVerifiedAt":"2026-11-10T03:04:22.0184338+00:00","snapshotPublishedAt":"2026-11-10T02:33:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}