High severity · published Apr 29, 2026
CVE-2026-6914
MD5 checksum creation may cause availability loss
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server.
This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
MongoDB · MongoDB
8.2.0 before 8.2.7; 8.1.0 through 8.1.*; 8.0.0 before 8.0.21; 7.0.0 before 7.0.32 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6914
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6914
Issue Tracking
https://jira.mongodb.org/browse/SERVER-119981
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