{"id":"GHSA-r2m8-pxm9-9c4g","summary":"Parse Server has a protected fields bypass via dot-notation in query and sort","details":"### Impact\n\nThe `protectedFields` class-level permission (CLP) can be bypassed using dot-notation in query WHERE clauses and sort parameters. An attacker can use dot-notation to query or sort by sub-fields of a protected field, enabling a binary oracle attack to enumerate protected field values.\n\nThis affects both MongoDB and PostgreSQL deployments.\n\n### Patches\n\nThe fix ensures that query WHERE clause keys and sort keys are checked against protected fields by extracting the root field from dot-notation paths. For example, a query on `secretObj.apiKey` is now correctly blocked when `secretObj` is a protected field.\n\n### Workarounds\n\nNone.\n\n### References\n\n- GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-r2m8-pxm9-9c4g\n- Fix Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.6\n- Fix Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.32","aliases":["BIT-parse-2026-31872","CVE-2026-31872"],"modified":"2026-03-13T13:10:57.234333Z","published":"2026-03-11T00:34:59Z","database_specific":{"github_reviewed_at":"2026-03-11T00:34:59Z","nvd_published_at":"2026-03-11T18:16:26Z","cwe_ids":["CWE-284"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-r2m8-pxm9-9c4g"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31872"},{"type":"PACKAGE","url":"https://github.com/parse-community/parse-server"},{"type":"WEB","url":"https://github.com/parse-community/parse-server/releases/tag/8.6.32"},{"type":"WEB","url":"https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.6"}],"affected":[{"package":{"name":"parse-server","ecosystem":"npm","purl":"pkg:npm/parse-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.0-alpha.1"},{"fixed":"9.6.0-alpha.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-r2m8-pxm9-9c4g/GHSA-r2m8-pxm9-9c4g.json"}},{"package":{"name":"parse-server","ecosystem":"npm","purl":"pkg:npm/parse-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.6.32"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-r2m8-pxm9-9c4g/GHSA-r2m8-pxm9-9c4g.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}