{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72915","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-10T17:57:26.143Z","datePublished":"2026-08-10T21:16:19.820Z","dateUpdated":"2026-08-11T17:09:10.053Z"},"containers":{"cna":{"title":"Mastodon: Personally-identifying information disclosure due to incorrect access control validation","problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/mastodon/mastodon/security/advisories/GHSA-hx34-2pfw-2qfj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mastodon/mastodon/security/advisories/GHSA-hx34-2pfw-2qfj"},{"name":"https://github.com/mastodon/mastodon/commit/467c933459c7d0e5513475b9e4888afaedfb1074","tags":["x_refsource_MISC"],"url":"https://github.com/mastodon/mastodon/commit/467c933459c7d0e5513475b9e4888afaedfb1074"},{"name":"https://github.com/mastodon/mastodon/commit/930aa9fee26bf9eaefe27826fa1061288d83373b","tags":["x_refsource_MISC"],"url":"https://github.com/mastodon/mastodon/commit/930aa9fee26bf9eaefe27826fa1061288d83373b"},{"name":"https://github.com/mastodon/mastodon/releases/tag/v4.6.4","tags":["x_refsource_MISC"],"url":"https://github.com/mastodon/mastodon/releases/tag/v4.6.4"},{"name":"https://github.com/mastodon/mastodon/releases/tag/v4.7.0-beta.1","tags":["x_refsource_MISC"],"url":"https://github.com/mastodon/mastodon/releases/tag/v4.7.0-beta.1"}],"affected":[{"vendor":"mastodon","product":"mastodon","versions":[{"version":">= 4.6.0-beta.1, < 4.6.4","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-10T21:16:19.820Z"},"descriptions":[{"lang":"en","value":"Mastodon is a free, open-source social network server based on ActivityPub. From 4.6.0-beta.1 until 4.6.4 and 4.7.0-beta.1, any logged-in local user could use the show action in app/controllers/admin/collections_controller.rb to access personally identifying information about another local user in a collection because the controller used the general collection policy instead of the admin collection policy namespace. The exposed data included the other user's current email address and last-used IP address. This issue is fixed in versions 4.6.4 and 4.7.0-beta.1."}],"source":{"advisory":"GHSA-hx34-2pfw-2qfj","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T17:08:55.302583Z","id":"CVE-2026-72915","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-11T17:09:10.053Z"}}]}}