What is CVE-2026-13062?

CVE-2026-13062 is a medium-severity vulnerability in MongoDB, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 6.5/10. Published 2026-07-22.

How severe is CVE-2026-13062?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in MongoDB

CVE-2026-13062

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.

EPSS: 0.002 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Mongodb
Mongodb Server — versions 7.0, 8.0, 8.2.0

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

cna@mongodb.com (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-13062?: CVE-2026-13062 is a medium-severity vulnerability in MongoDB, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 6.5/10. Published 2026-07-22.
How severe is CVE-2026-13062?: Medium severity. CVSS v3 base score is 6.5 out of 10.