MongoDB Server up to 7.0.47/8.0.36/8.3.15/9.0.6 Schema Validation race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00+

Summaryinfo

A vulnerability was found in MongoDB Server up to 7.0.47/8.0.36/8.3.15/9.0.6 and classified as critical. The impacted element is an unknown function of the component Schema Validation. Such manipulation leads to race condition. This vulnerability is documented as CVE-2026-120817. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in MongoDB Server up to 7.0.47/8.0.36/8.3.15/9.0.6 and classified as critical. Affected by this issue is an unknown code of the component Schema Validation. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. Impacted is availability. CVE summarizes:

A race condition in the schema validation component of MongoDB Server can occur when concurrent writes are checked against a collection validator that uses geospatial query operators. The condition can be caused by an authenticated user with write privileges, and may result in the server terminating unexpectedly.

The advisory is available at jira.mongodb.org. This vulnerability is handled as CVE-2026-120817 since 11/02/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 7.0.48, 8.0.37, 8.3.16 or 9.0.7 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (mongodb): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Server 7.0.48/8.0.37/8.3.16/9.0.7

Timelineinfo

11/02/2026 CVE reserved
11/10/2026 +8 days Advisory disclosed
11/10/2026 +0 days VulDB entry created
11/10/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: jira.mongodb.org
Status: Confirmed

CNA: mongodb
CVE: CVE-2026-120817 (🔒)

GCVE (CVE): GCVE-0-2026-120817
GCVE (VulDB): GCVE-100-434606

Entryinfo

Created: 11/10/2026 21:37
Changes: 11/10/2026 21:37 (76)
Complete: 🔍
Cache ID: 216::103

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