Vulnerability details

CVE-2026-93763

MongoDB Mongoid

Silent plaintext persistence via unresolved callable database name in encryption schema map

CVSS 4.0
7.1High

Official description

A protection mechanism failure in the object-document mapper's encryption configuration generation can cause fields that an application declared for client-side field-level encryption to be written and kept in cleartext, without any error or warning. A party holding ordinary read access to the database can then read values that were intended to be protected from that party. This may result in unintended disclosure of sensitive information.

CVSS scores

ScoreVersionSourceVector
7.1High 4.0 CVEProject cvelistV5 (CNA) (mongodb) CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5Medium 3.1 CVEProject cvelistV5 (CNA) (mongodb) CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

VendorProductVersionsSource
MongoDB, Inc. Mongoid 9.1.0 CVEProject cvelistV5 (CNA)
MongoDB, Inc. Mongoid 9.0.0 ≤ v ≤ 9.0.11 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-09-18
Last updated
2026-09-21
State
Published
Assigner (CNA)
mongodb

Exploit prediction (EPSS)

0.15%
Probability of exploitation in 30 days
4.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-312
    Cleartext Storage of Sensitive Information