CVE-2026-13062

MEDIUM

6.5

CVSS v3

Description

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.

CWE-441

How to fix

Remediation Available

MongoDBWindows application

Affected:8.3.0 8.3.7Fixed in:8.3.7MongoDB Inc.

Affected:8.0.0 8.0.28Fixed in:8.0.28MongoDB Inc.

Affected:8.2.0 8.2.12Fixed in:8.2.12MongoDB Inc.

Affected:7.0.0 7.0.39Fixed in:7.0.39MongoDB Inc.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.11%probability of exploitation in 30 days

2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Vendor Advisory1

jira.mongodb.org

Related Vulnerabilities

Other CWE-441 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-47269	High	8.3	38%	-	-
CVE-2019-3924	High	7.5	16%	-	Fix
CVE-2020-5412	Medium	6.5	10%	-	Fix
CVE-2019-3996	Medium	6.5	5.9%	-	-
CVE-2021-20042	Critical	9.8	2.7%	-	-
CVE-2019-1841	Medium	6.5	2.6%	-	Fix

Common questions

How do I fix CVE-2026-13062?

Upgrade MongoDB to 8.3.7 or later.

Is CVE-2026-13062 being actively exploited?

Not that we know of. CVE-2026-13062 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.11% is the estimated probability that it will be exploited in the next 30 days. That is higher than 2% of all scored CVEs.

How severe is CVE-2026-13062?

CVE-2026-13062 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-13062 affect?

Published advisories record a fix for MongoDB (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-05.