Medium severity · published Mar 17, 2026
CVE-2026-4147
Stack memory disclosure in filemd5 command
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
An authenticated user with the read role may read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% 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 7.0.31; 8.0.0 before 8.0.20; 8.2.0 before 8.2.6; 8.3.0; 8.3.0; 8.3.0; +2 more · source: NVD
MS
MongoDB Server · MongoDB Inc
8.2 before 8.2.6; 8.0 before 8.0.20; 7.0 before 7.0.31 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4147
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4147
Patch
https://jira.mongodb.org/browse/SERVER-119317
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