{"id":"CVE-2026-9741","aliases":["BIT-mongodb-2026-9741"],"url":"https://o3.security/vulnerability/CVE-2026-9741","summary":"Client side encryption fails to encrypt values in a $vectorSearch","details":"A bug in query analysis processing of the $vectorSearch aggregation stage for Queryable Encryption (QE) or Client-Side Field Level Encryption (CSFLE)  results in literal values for encrypted fields within the $vectorSearch stage filter expressions to be sent to the server as plaintext instead of ciphertext.","published":"2026-06-09T21:56:01.111Z","modified":"2026-08-12T16:09:32.931059Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://jira.mongodb.org/browse/SERVER-123507"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9741.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9741"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T16:09:32.931059Z"}}