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CVE-2026-13063

MEDIUM
4.3
CVSS 3.1
Description
An authenticated user with standard read/write privileges can cause the mongod process to terminate due to an out-of-memory condition by sending a crafted aggregation command. MongoDB's libmongocrypt library insufficiently validates payload-supplied values, which can result in an excessively large memory allocation.

Metadata

CVE ID
CVE-2026-13063
State
PUBLISHED
Assigner
mongodb
Reserved
2026-06-23 18:00 UTC
Published
2026-07-22 19:18 UTC
Last updated
2026-07-22 19:18 UTC
Primary CWE
CWE-190
CWE-190: Integer Overflow or Wraparound
Vendor / Product
MongoDB / MongoDB Server
Sources
cve.org  ·  NVD

Severity & Metrics

4.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected products (1)
VendorProductPlatformVersions
MongoDB MongoDB Server — 8.2.0 < 8.2.12, 8.3.0 < 8.3.7
Weakness (CWE)
CWESourceDescription
CWE-190 cna CWE-190: Integer Overflow or Wraparound
CVSS scores (2)
ScoreSeverityVersionSourceVector
5.3 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
4.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References (1)
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