Medium severity · published May 13, 2026
CVE-2026-8200
Schema validation log messages may not redact user data
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
When schema validation is enabled on a collection and an update or insert would violate the collection's schema, the local server log message generated may not have all user data redacted.
This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
MongoDB · MongoDB
7.0.0 before 7.0.34; 8.0.0 before 8.0.23; 8.2.0 before 8.2.9; 8.3.0 before 8.3.2 · source: NVD
MS
MongoDB Server · MongoDB, Inc.
7.0 before 7.0.34; 8.0 before 8.0.23; 8.2 before 8.2.9; 8.3 before 8.3.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8200
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8200
Issue Tracking
https://jira.mongodb.org/browse/SERVER-121895
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