CVE-2026-13063 — libmongocrypt Improper Input Validation Leading to Process Termination

CVE-2026-13063

libmongocrypt Improper Input Validation Leading to Process Termination PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 8.2.0 before 8.2.12; affected 8.3.0 before 8.3.7

CWE

CWE-190

References

https://jira.mongodb.org/browse/SERVER-127737

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.