CVE-2026-13076: CWE-770: Allocation of Resources Without Limits or Throttling in MongoDB MongoDB Server
An authenticated user can cause a {{mongod}} process to be terminated by the operating system under memory pressure by performing a specific data type conversion operation within MongoDB's aggregation framework. The behavior stems from disproportionate memory consumption during this operation, and requires both write access to the database and the ability to run aggregation queries.
AI Analysis
Technical Summary
This vulnerability (CWE-770) in MongoDB Server 8.3.0 allows an authenticated user with write privileges to execute aggregation queries that perform a particular data type conversion operation causing disproportionate memory usage. Under memory pressure, this can lead to the operating system terminating the mongod process, effectively causing a denial of service. The issue arises from lack of resource allocation limits or throttling during this operation. There is no vendor advisory or patch information available at this time.
Potential Impact
An attacker with authenticated write access can trigger a denial of service by causing the MongoDB server process to be killed due to excessive memory consumption. This disrupts database availability but does not indicate privilege escalation or data confidentiality impact based on the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict write and aggregation query permissions to trusted users only to reduce risk.
CVE-2026-13076: CWE-770: Allocation of Resources Without Limits or Throttling in MongoDB MongoDB Server
Description
An authenticated user can cause a {{mongod}} process to be terminated by the operating system under memory pressure by performing a specific data type conversion operation within MongoDB's aggregation framework. The behavior stems from disproportionate memory consumption during this operation, and requires both write access to the database and the ability to run aggregation queries.
CVSS v4.0
Score 7.1high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-770) in MongoDB Server 8.3.0 allows an authenticated user with write privileges to execute aggregation queries that perform a particular data type conversion operation causing disproportionate memory usage. Under memory pressure, this can lead to the operating system terminating the mongod process, effectively causing a denial of service. The issue arises from lack of resource allocation limits or throttling during this operation. There is no vendor advisory or patch information available at this time.
Potential Impact
An attacker with authenticated write access can trigger a denial of service by causing the MongoDB server process to be killed due to excessive memory consumption. This disrupts database availability but does not indicate privilege escalation or data confidentiality impact based on the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict write and aggregation query permissions to trusted users only to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mongodb
- Date Reserved
- 2026-06-23T18:00:21.245Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6123219c2644c7f89b2d2c
Added to database: 07/22/2026, 20:08:01 UTC
Last enriched: 07/22/2026, 20:22:27 UTC
Last updated: 07/23/2026, 02:51:54 UTC
Views: 8
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