Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-13062— MongoDB mongos Improper Validation of Internal Flags in Queryable Encryption Write Commands on Sharded Clusters

Quick assessment

Affected
MongoDB MongoDB Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 7.0版本至7.0.39版本之前版本、8.0版本至8.0.28版本之前版本、8.2.0版本至8.2.12版本之前版本和8.3.0版本至8.3.7版本之前版本存在服务端请求伪造漏洞，该漏洞源于经过身份验证的用户通过分片集群的mongos路由器发送特制的写入命令，可能修改本应由服务器控制的内部加密元数据字段，导致加密查询正确性

CVSS 6.5 · Medium EPSS 0.11% · P2

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
MongoDB MongoDB Server 7.0< 7.0.39 affected
8.0< 8.0.28 affected
8.2.0< 8.2.12 affected
8.3.0< 8.3.7 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-13062

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
MongoDB mongos Improper Validation of Internal Flags in Queryable Encryption Write Commands on Sharded Clusters
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated user with write privileges on a Queryable Encryption-enabled collection may be able to modify internal encryption metadata fields that are intended to be server-controlled, by sending crafted write commands through the mongos router on a sharded cluster. This can result in corruption of encrypted query correctness.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
未有动机的代理或中间人(混淆代理)
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB Server 服务端请求伪造漏洞
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 7.0版本至7.0.39版本之前版本、8.0版本至8.0.28版本之前版本、8.2.0版本至8.2.12版本之前版本和8.3.0版本至8.3.7版本之前版本存在服务端请求伪造漏洞，该漏洞源于经过身份验证的用户通过分片集群的mongos路由器发送特制的写入命令，可能修改本应由服务器控制的内部加密元数据字段，导致加密查询正确性
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 7.0 ~ 7.0.39 -

II. Public POCs for CVE-2026-13062

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-13062

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-13062 (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-2026-13056 6.5 MEDIUM A user with read access can cause a DoS by executing a specifically crafted query to consu
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-2026-13055 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-2026-9737 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-2026-13057 5.3 MEDIUM Authorization Bypass via Client-Supplied $search.mergingPipeline Leaks Unauthorized Collec
CVE-2026-13070 5.3 MEDIUM Improper Validation of OCSP Response During Outbound TLS Handshake Leading to Process Term

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: MongoDB Server
Same vendor: MongoDB
Same weakness: CWE-441

V. Comments for CVE-2026-13062

No comments yet

Leave a comment