{"affected":[{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"parse-server","product":"parse-server","source":"CNA: VulnCheck","vendor":"parse-community","versions":[{"lessThan":"9.10.6-alpha.3","status":"affected","version":"9.0.0","versionType":"semver"},{"status":"unaffected","version":"9.10.6-alpha.3","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"parse-server","product":"parse-server","source":"CNA: VulnCheck","vendor":"parse-community","versions":[{"lessThan":"8.6.111","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"8.6.111","versionType":"semver"}]}],"cveId":"CVE-2026-121415","cwes":["CWE-20"],"description":"Parse Server before 8.6.111 and 9.0.0 before 9.10.6-alpha.3 on MongoDB skips field type validation for null-valued dot notation keys, allowing sub-documents to be written beneath Pointer, Number, String, Date, or Boolean fields. Any client with write access, including unauthenticated clients where public writes are permitted, can corrupt field values, make objects unreadable via internal date fields, or break atomic operations on number fields.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0"},{"score":3.7,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}],"modifiedAt":1793716093739,"publishedAt":1793716093739,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-655c-2xf3-77x9"},{"source":"CNA: VulnCheck","tags":["patch","issue-tracking"],"url":"https://github.com/parse-community/parse-server/pull/10804"},{"source":"CNA: VulnCheck","tags":["patch","issue-tracking"],"url":"https://github.com/parse-community/parse-server/pull/10805"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/parse-server-before-8.6.111-and-9.0.0-before-9.10.6-alpha.3-field-corruption-via-null-dot-notation-key"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/parse-community/parse-server/pull/10804"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/parse-community/parse-server/pull/10805"}],"revision":"2b096c68310cc310b99fc6f30f9a42d03541dc5b5fc432438b6af30dc072b4ab","sources":[{"modifiedAt":1793716093739,"name":"CNA: VulnCheck","retrievedAt":1793718562601,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121415"}],"ssvc":null,"status":"published","title":"Parse Server before 8.6.111 and 9.0.0 before 9.10.6-alpha.3 Field Corruption via Null Dot Notation Key","updatedAt":1793718562601}