{"id":"CVE-2026-63100","state":"PUBLISHED","title":"Maybe 0.6.0 Missing Authorization via HostingsController show/update","description":"Maybe through 0.6.0 contains a missing authorization vulnerability that allows authenticated low-privilege member-role users to access and modify global hosting settings by exploiting unprotected show and update actions in the Settings::HostingsController, where the before_action ensure_admin filter is applied only to the clear_cache action. Attackers can read the operator's Synth API key rendered in plaintext via a form field value attribute, overwrite it with an attacker-controlled value, toggle public registration settings, and disable email confirmation requirements to disrupt the entire instance.","publishedAt":"2026-07-17T15:45:05.695Z","updatedAt":"2026-07-21T01:40:13.213Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["maybe-finance maybe"],"affected":[{"vendor":"maybe-finance","product":"maybe","packageURL":"pkg:github/maybe-finance/maybe","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.6.0","versionType":"semver"}],"repo":"https://github.com/maybe-finance/maybe"}],"references":["https://github.com/geo-chen/oss/blob/main/maybe.md","https://www.vulncheck.com/advisories/maybe-missing-authorization-via-hostingscontroller-show-update"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/63xxx/CVE-2026-63100.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63100","state":"PUBLISHED","datePublished":"2026-07-17T15:45:05.695Z","dateUpdated":"2026-07-21T01:40:13.213Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-07-15T15:45:44.601Z"},"containers":{"cna":{"title":"Maybe 0.6.0 Missing Authorization via HostingsController show/update","descriptions":[{"lang":"en","value":"Maybe through 0.6.0 contains a missing authorization vulnerability that allows authenticated low-privilege member-role users to access and modify global hosting settings by exploiting unprotected show and update actions in the Settings::HostingsController, where the before_action ensure_admin filter is applied only to the clear_cache action. 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