CVE-2026-13056— A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM
Affected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MongoDB | MongoDB Server | 8.0< 8.0.28 | affected |
8.3.0< 8.3.7 | affected |
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I. Basic Information for CVE-2026-13056
Vulnerability Information
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Vulnerability Title
A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM
Source: CVE Program / CVE List V5
Vulnerability Description
Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1325
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB Server 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB Server是美国MongoDB公司开源的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB Server 8.0.28之前版本和8.3.7之前版本存在资源管理错误漏洞，该漏洞源于使用生成大数组的表达式，可能构造出在内存中创建极大中间对象的查询，导致服务器因OOM错误崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MongoDB | MongoDB Server | 8.0 ~ 8.0.28 | - |
II. Public POCs for CVE-2026-13056
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-13056 (1)
Same Patch Batch · MongoDB · 2026-07-22 · 26 CVEs total
| CVE-2026-13059 | 8.1 HIGH | Improper Validation of Client-Supplied Command Parameters Allowing Role-Based Access Contr |
| CVE-2026-13072 | 8.1 HIGH | MongoDB Improper Input Validation in Compute Mode External Data Processing Leading to Memo |
| CVE-2026-14881 | 7.8 HIGH | Compass connection import allows to override OIDC browser open command (usually set throug |
| CVE-2026-13078 | 7.7 HIGH | Local File Disclosure in MongoDB Server via MozJS Scripting Engine Module Loader |
| CVE-2026-13077 | 7.1 HIGH | Out-of-Bounds Heap Read in BSON CodeWScope Element Parsing via Malformed BSONColumn Data |
| CVE-2026-13058 | 7.1 HIGH | Transaction Command Insufficient Input Validation Leading to Process Termination |
| CVE-2026-13055 | 6.5 MEDIUM | Server crash via aggregation pipeline expression with compound wildcard index specificatio |
| CVE-2026-13069 | 6.5 MEDIUM | Queryable Encryption FLE2 Find Payload Missing Input Validation Leading to Resource Exhaus |
| CVE-2026-13062 | 6.5 MEDIUM | MongoDB mongos Improper Validation of Internal Flags in Queryable Encryption Write Command |
| CVE-2026-13060 | 6.5 MEDIUM | $graphLookup Aggregation Stage Authorization Check Inconsistency Allowing Unauthorized Col |
| CVE-2026-13066 | 6.5 MEDIUM | Server-Side JavaScript DBPointer BSON Serialization Memory Disclosure |
| CVE-2026-13075 | 6.5 MEDIUM | $rankFusion and $scoreFusion Unbounded Memory Allocation During Error Suggestion Generatio |
| CVE-2026-13065 | 6.5 MEDIUM | MongoDB $linearFill Window Function Improper Input Validation Leading to Process Terminati |
| CVE-2026-9737 | 6.5 MEDIUM | Find command with $meta sort can lead to crash |
| CVE-2026-13064 | 6.5 MEDIUM | MongoDB $jsonSchema Query Operator Excessive CPU Consumption Leading to Denial of Service |
| CVE-2026-13076 | 6.5 MEDIUM | Aggregation Framework Memory Exhaustion Leading to Process Termination |
| CVE-2026-13071 | 6.5 MEDIUM | Server-Side JavaScript Aggregation Expression Memory Safety Issue Leading to Process Termi |
| CVE-2026-13067 | 6.3 MEDIUM | tlsCATrusts Role Restriction Not Enforced via PROXY Protocol v2 on Unix Domain Socket |
| CVE-2026-13070 | 5.3 MEDIUM | Improper Validation of OCSP Response During Outbound TLS Handshake Leading to Process Term |
| CVE-2026-13074 | 5.3 MEDIUM | Awaitable Hello Command in Exhaust Mode Unthrottled Response Loop Leading to Denial of Ser |
Showing top 20 of 26 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: MongoDB Server
- CVE-2026-13055
Server crash via aggregation pipeline expression with compou - CVE-2026-13057
Authorization Bypass via Client-Supplied $search.mergingPipe - CVE-2026-13058
Transaction Command Insufficient Input Validation Leading to - CVE-2026-13059
Improper Validation of Client-Supplied Command Parameters Al - CVE-2026-9737
Find command with $meta sort can lead to crash
Same vendor: MongoDB
- CVE-2026-14881
Compass connection import allows to override OIDC browser op - CVE-2026-13055
Server crash via aggregation pipeline expression with compou - CVE-2026-13057
Authorization Bypass via Client-Supplied $search.mergingPipe - CVE-2026-13058
Transaction Command Insufficient Input Validation Leading to - CVE-2026-13059
Improper Validation of Client-Supplied Command Parameters Al
Same weakness: CWE-1325
- CVE-2026-54081
veraPDF Parser DoS via PostScript Type 1 Font Programs - CVE-2026-54080
veraPDF Parser DoS via PostScript CMap Streams - CVE-2026-34183
Unbounded Memory Growth in the QUIC PATH_CHALLENGE Handler - CVE-2026-8199
Post-auth memory exhaustion via bitwise match expressions - CVE-2026-6535
Improperly Controlled Sequential Memory Allocation in Wiresh
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