CVE-2026-13062 — MongoDB mongos Improper Validation of Internal Flags in Queryable Encryption Write Commands on Sharded Clusters

CVE-2026-13062

MongoDB mongos Improper Validation of Internal Flags in Queryable Encryption Write Commands on Sharded Clusters PUBLISHED

Description (CNA)

An authenticated user with write privileges on a Queryable Encryption-enabled collection may be able to modify internal encryption metadata fields that are intended to be server-controlled, by sending crafted write commands through the mongos router on a sharded cluster. This can result in corruption of encrypted query correctness.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 7.0 before 7.0.39; affected 8.0 before 8.0.28; affected 8.2.0 before 8.2.12; affected 8.3.0 before 8.3.7

CWE

CWE-441

References

https://jira.mongodb.org/browse/SERVER-127831

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.