{"id":"GHSA-75v4-m273-5j49","summary":"parse-server: Endpoints `/login` and `/verifyPassword` disclose MFA secrets and protected fields when `_User` get is denied","details":"### Impact\n\nApps that enable MFA and deny `get` on the `_User` class via Class-Level Permissions could expose sensitive user data through the `/login` and `/verifyPassword` endpoints.\n\nThese endpoints re-fetch the user through the access-controlled query pipeline (CLP, `protectedFields`, auth-adapter sanitizers) before responding. When that re-fetch was denied by the `_User` `get` permission, the server fell back to the raw database row, exposing raw `authData` (including MFA TOTP secrets and recovery codes) and fields hidden by `protectedFields` (when `protectedFieldsOwnerExempt` is `false`).\n\n`/verifyPassword` is the most severe: with only a username and password (no session or MFA token), an attacker who knows a victim's password could retrieve their MFA secret and recovery codes, defeating the second factor.\n\nOnly Parse Server 9.8.0 and later are affected; 8.x and earlier are not. Master and maintenance key requests are unaffected, as they bypass these controls by design.\n\n### Patches\n\nOn a denied re-fetch, `/login` and `/verifyPassword` no longer fall back to the raw row; they return only the user's identity (plus the session token for `/login`). Master and maintenance key callers still receive the full record.\n\n### Workarounds\n\nNone that preserve the intended `_User` `get` restriction. Upgrade to a patched version.","aliases":["BIT-parse-2026-53725","CVE-2026-53725"],"modified":"2026-06-19T19:56:13.950341569Z","published":"2026-06-19T19:35:15Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-06-19T19:35:15Z","nvd_published_at":"2026-06-12T19:16:30Z","cwe_ids":["CWE-200"]},"references":[{"type":"WEB","url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-75v4-m273-5j49"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53725"},{"type":"WEB","url":"https://github.com/parse-community/parse-server/pull/10492"},{"type":"PACKAGE","url":"https://github.com/parse-community/parse-server"}],"affected":[{"package":{"name":"parse-server","ecosystem":"npm","purl":"pkg:npm/parse-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.8.0"},{"fixed":"9.9.1-alpha.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-75v4-m273-5j49/GHSA-75v4-m273-5j49.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}