MongoDB Server up to 8.0.17/8.2.3 allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in MongoDB Server up to 8.0.17/8.2.3 and classified as problematic. This vulnerability affects unknown code. Executing a manipulation can lead to allocation of resources. This vulnerability is registered as CVE-2026-1850. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in MongoDB Server up to 8.0.17/8.2.3 and classified as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

Complex queries can cause excessive memory usage in MongoDB Query Planner resulting in an Out-Of-Memory Crash.

The advisory is available at jira.mongodb.org. This vulnerability was named CVE-2026-1850 since 02/03/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 298778 (Linux Distros Unpatched Vulnerability : CVE-2026-1850), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.0.18 or 8.2.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (298778) and CERT Bund (WID-SEC-2026-0386). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Open Source MongoDB

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: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

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

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 298778
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-1850

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Server 8.0.18/8.2.4

Timelineinfo

02/03/2026 CVE reserved
02/10/2026 +7 days Advisory disclosed
02/10/2026 +0 days VulDB entry created
02/26/2026 +16 days VulDB entry last update

Sourcesinfo

Advisory: jira.mongodb.org
Status: Confirmed

CVE: CVE-2026-1850 (🔒)
GCVE (CVE): GCVE-0-2026-1850
GCVE (VulDB): GCVE-100-345370
CERT Bund: WID-SEC-2026-0386 - MongoDB Server, Go Driver, Ruby Driver: Mehrere Schwachstellen

Entryinfo

Created: 02/10/2026 20:11
Updated: 02/26/2026 14:36
Changes: 02/10/2026 20:11 (75), 02/11/2026 12:14 (7), 02/16/2026 05:26 (2), 02/26/2026 14:36 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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