{"id":"CVE-2026-72914","summary":"Mastodon: Exhausting data by an unauthenticated request to the admin retention API","details":"Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1, the administrative statistics endpoints handled by Api::V1::Admin::MeasuresController and Api::V1::Admin::RetentionController checked authorization only after beginning expensive calculations. Anonymous callers could submit keys, start_at, and end_at parameters that caused long-running SQL queries in Admin::Metrics::Measure, Admin::Metrics::Retention, and Admin::Metrics::Dimension::BaseDimension, allowing repeated requests to exhaust server resources. This issue is fixed in versions 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1.","aliases":["GHSA-7jvv-fhmg-wpfw"],"modified":"2026-08-13T03:30:25.400969455Z","published":"2026-08-10T21:13:20.856Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-405","CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72914.json"},"references":[{"type":"WEB","url":"https://github.com/mastodon/mastodon/releases/tag/v4.4.21"},{"type":"WEB","url":"https://github.com/mastodon/mastodon/releases/tag/v4.5.14"},{"type":"WEB","url":"https://github.com/mastodon/mastodon/releases/tag/v4.6.4"},{"type":"WEB","url":"https://github.com/mastodon/mastodon/releases/tag/v4.7.0-beta.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72914.json"},{"type":"ADVISORY","url":"https://github.com/mastodon/mastodon/security/advisories/GHSA-7jvv-fhmg-wpfw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72914"},{"type":"FIX","url":"https://github.com/mastodon/mastodon/commit/18c61f286f1f5718a8f517940ba384866ffa3892"},{"type":"FIX","url":"https://github.com/mastodon/mastodon/commit/467c933459c7d0e5513475b9e4888afaedfb1074"},{"type":"FIX","url":"https://github.com/mastodon/mastodon/commit/930aa9fee26bf9eaefe27826fa1061288d83373b"},{"type":"FIX","url":"https://github.com/mastodon/mastodon/commit/da47a1bd3cd07935d7ca55a1f4f1a76f7f167e0d"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mastodon/mastodon","events":[{"introduced":"0"},{"introduced":"5a8ab0a3e62a8825e28bb74c1760ba6488d20c97"},{"introduced":"52aa8a44bbd0c9a6673cbd9b7c088020be938799"},{"fixed":"da47a1bd3cd07935d7ca55a1f4f1a76f7f167e0d"},{"fixed":"18c61f286f1f5718a8f517940ba384866ffa3892"},{"fixed":"930aa9fee26bf9eaefe27826fa1061288d83373b"},{"fixed":"467c933459c7d0e5513475b9e4888afaedfb1074"},{"fixed":"827f63a8fe976e07921ab0f5c9fcca8420c56858"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"4.4.21"},{"introduced":"4.5.0-beta.1"},{"fixed":"4.5.14"},{"introduced":"4.6.0-beta.1"},{"fixed":"4.6.4"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v4.4.20","v4.5.13","v4.6.3","v4.6.2","v4.4.19","v4.5.12","v4.6.1","v4.6.0","v4.6.0-rc.2","v4.6.0-rc.1","v4.6.0-beta.1","v4.5.11","v4.4.18","v4.4.17","v4.5.10","v4.4.16","v4.5.9","v4.4.15","v4.5.8","v4.4.14","v4.5.7","v4.5.6","v4.4.13","v4.4.12","v4.5.5","v4.5.4","v4.4.11","v4.5.3","v4.4.10","v4.5.2","v4.4.9","v4.5.1","v4.5.0","v4.4.8","v4.5.0-rc.3","v4.5.0-rc.2","v4.5.0-rc.1","v4.5.0-beta.2","v4.4.7","v4.5.0-beta.1","v4.4.6","v4.4.5","v4.4.4","v4.4.3","v4.4.2","v4.4.1","v4.4.0","v4.4.0-rc.1","v4.4.0-beta.2","v4.4.0-beta.1","v4.3.0-rc.1","v4.3.0-beta.2","v4.3.0-beta.1","v4.2.0","v4.2.0-rc2","v4.2.0-rc1","v4.2.0-beta3","v4.2.0-beta2","v4.2.0-beta1","v4.0.2","v4.1.0","v4.1.0rc3","v4.1.0rc2","v4.1.0rc1","v4.0.1","v4.0.0","v4.0.0rc4","v3.5.3","v4.0.0rc3","v4.0.0rc2","v4.0.0rc1","v3.5.2","v3.5.1","v3.5.0","v3.5.0rc3","v3.5.0rc2","v3.5.0rc1","v3.3.0","v3.4.1","v3.4.0","v3.4.0rc2","v3.4.0rc1","v3.3.0rc3","v3.3.0rc2","v3.3.0rc1","v3.2.0","v3.2.0rc2","v3.2.0rc1","v3.1.4","v3.1.3","v3.1.2","v3.0.1","v3.1.1","v3.1.0","v3.1.0rc2","v3.1.0rc1","v3.0.0","v3.0.0rc3","v3.0.0rc2","v3.0.0rc1","v2.9.2","v2.9.1","v2.9.0","v2.9.0rc2","v2.9.0rc1","v2.8.2","v2.8.1","v2.8.0","v2.8.0rc3","v2.8.0rc2","v2.8.0rc1","v2.7.1","v2.7.0","v2.7.0rc3","v2.7.0rc2","v2.7.0rc1","v2.6.1","v2.6.0","v2.6.0rc4","v2.6.0rc3","v2.6.0rc2","v2.6.0rc1","v2.5.0","v2.5.0rc2","v2.5.0rc1","v2.4.3","v2.4.3rc3","v2.4.3rc2","v2.4.3rc1","v2.4.2","v2.4.2rc3","v2.4.2rc2","v2.4.2rc1","v2.4.1","v2.4.1rc4","v2.4.1rc3","v2.4.1rc2","v2.4.1rc1","v2.4.0","v2.4.0rc5","v2.4.0rc4","v2.4.0rc3","v2.4.0rc2","v2.4.0rc1","v2.3.2","v2.3.2rc5","v2.3.2rc4","v2.3.2rc3","v2.3.2rc2","v2.3.2rc1","v2.3.1","v2.3.1rc3","v2.3.1rc2","v2.3.1rc1","v2.3.0","v2.3.0rc3","v2.3.0rc2","v2.3.0rc1","v2.2.0","v2.2.0rc2","v2.2.0rc1","v2.1.3","v2.1.2","v2.1.1","v2.1.0","v2.1.0rc6","v2.1.0rc5","v2.1.0rc4","v2.1.0rc3","v2.1.0rc2","v2.1.0rc1","v2.0.0","v2.0.0rc4","v2.0.0rc3","v2.0.0rc2","v2.0.0rc1","v1.6.1","v1.6.0","v1.6.0rc5","v1.6.0rc4","v1.6.0rc3","v1.6.0rc2","v1.6.0rc1","v1.5.1","v1.5.0","v1.5.0rc3","v1.5.0rc2","v1.5.0rc1","v1.4.7","v1.4.6","v1.4.5","v1.4.4","v1.4.3","v1.4.2","v1.4.1","v1.4rc6","v1.4rc5","v1.4rc4","v1.4rc3","v1.4rc2","v1.4rc1","v1.3.2","v1.3.1","v1.3","v1.2.2","v1.2.1","v1.2","v1.1.2","v1.1.1","v1.1","v1.0","v0.9.9","v0.9","v0.8","v0.7","v0.6","v0.1.2","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-72914.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}