MongoDB up to 8.2.11/8.3.6 libmongocrypt allocation of resources

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k2.00+

Summaryinfo

A vulnerability was found in MongoDB up to 8.2.11/8.3.6 and classified as problematic. The impacted element is an unknown function of the component libmongocrypt. Such manipulation leads to allocation of resources. This vulnerability is referenced as CVE-2026-13063. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in MongoDB up to 8.2.11/8.3.6. It has been rated as problematic. Affected by this issue is an unknown code of the component libmongocrypt. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

An authenticated user with standard read/write privileges can cause the mongod process to terminate due to an out-of-memory condition by sending a crafted aggregation command. MongoDB's libmongocrypt library insufficiently validates payload-supplied values, which can result in an excessively large memory allocation.

The advisory is shared for download at jira.mongodb.org. This vulnerability is handled as CVE-2026-13063 since 06/23/2026. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 8.2.12 or 8.3.7 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

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

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
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: MongoDB 8.2.12/8.3.7

Timelineinfo

06/23/2026 CVE reserved
07/22/2026 +29 days Advisory disclosed
07/22/2026 +0 days VulDB entry created
07/22/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: jira.mongodb.org
Status: Confirmed

CVE: CVE-2026-13063 (🔒)
GCVE (CVE): GCVE-0-2026-13063
GCVE (VulDB): GCVE-100-382400

Entryinfo

Created: 07/22/2026 22:16
Changes: 07/22/2026 22:16 (54)
Complete: 🔍
Cache ID: 216::103

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