{"id":"CVE-2026-53725","title":"parse-server: Endpoints `/login` and `/verifyPassword` disclose MFA secrets and protected fields when `_User` get is denied","summary":"parse-server: Endpoints `/login` and `/verifyPassword` disclose MFA secrets and protected fields when `_User` get is denied","severity":"medium","cwe":["CWE-200"],"vendor":"parse-server","product":"parse-server","affected":["parse-server >= 9.8.0, < 9.9.1-alpha.5"],"patched":["parse-server 9.9.1-alpha.5"],"published":"2026-06-19","updated":"2026-06-19","source":"GHSA","sourceUrl":"https://github.com/advisories/GHSA-75v4-m273-5j49","references":[{"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-75v4-m273-5j49"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53725"},{"url":"https://github.com/parse-community/parse-server/pull/10492"},{"url":"https://github.com/advisories/GHSA-75v4-m273-5j49"}],"tags":["ghsa","npm"],"epss":0.00252,"epssPercentile":0.16907,"ingestedAt":"2026-06-22T15:52:21.059Z","ecosystem":"npm","slug":"CVE-2026-53725","body":"## Overview\n\n### 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.\n\n## Affected packages\n\n- `parse-server >= 9.8.0, < 9.9.1-alpha.5`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `parse-server 9.9.1-alpha.5`","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}