Vulnerability · Published Sep 18, 2026 · Assigned by mongodb
CVE-2026-93762Data deletion and attribute disclosure via field-name method injection in in-memory queries
Critical 9.8
In plain English
A critical-severity security flaw in Mongoid from MongoDB Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 52.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mongoid contains an unsafe reflection weakness in the query path used for embedded documents. An application that passes an externally supplied field name to certain in-memory query methods may allow an unauthenticated party to obtain unintended disclosure of stored document data and to permanently remove stored records.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MongoDB Inc. | Mongoid | 9.1.09.0.0 – through 9.0.118.1.0 – through 8.1.128.0.0 – through 8.0.127.6.0 – through 7.6.17.5.0 – through 7.5.4 |
Weakness: CWE-470 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H