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CVE-2026-25612— Internal ResourceId collision may affect unrelated collections

Quick assessment

Affected
MongoDB Inc 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存在安全漏洞，该漏洞源于内部锁定机制的资源编码问题，可能导致集合间意外冲突并因锁冲突引发不可用。

CVSS 6.5 · Medium EPSS 0.38% · P30
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I. Basic Information for CVE-2026-25612

Vulnerability Information
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Vulnerability Title
Internal ResourceId collision may affect unrelated collections
Source: CVE Program / CVE List V5
Vulnerability Description
The internal locking mechanism of the MongoDB server uses an internal encoding of the resources in order to choose what lock to take. Collections may inadvertently collide with one another in this representation causing unavailability between them due to conflicting locks.
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
未加限制的外部可访问锁
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB Server是美国MongoDB公司的一套开源的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存在安全漏洞，该漏洞源于内部锁定机制的资源编码问题，可能导致集合间意外冲突并因锁冲突引发不可用。
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 Inc MongoDB Server 8.2 ~ 8.2.4 -

II. Public POCs for CVE-2026-25612

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III. Intelligence Information for CVE-2026-25612

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Same Patch Batch · MongoDB Inc · 2026-02-10 · 11 CVEs total

CVE-2026-25611 7.5 HIGH Pre-Authentication Memory Exhaustion Denial of Service in MongoDB Server
CVE-2026-1848 7.5 HIGH Connections received from the proxy port may not count towards total accepted connections
CVE-2026-25613 6.5 MEDIUM An unsafe cast in the MongoDB query planner can result in a segmentation fault.
CVE-2026-25610 6.5 MEDIUM Invalid $geoNear index hint may cause server crash
CVE-2026-1850 6.5 MEDIUM An authorized user may disable the MongoDB server by issuing a certain type of complex que
CVE-2026-1847 6.5 MEDIUM MongoDB Server may crash when inserting large documents
CVE-2026-1849 6.5 MEDIUM Mongod can run out of stack memory when expressions create deeply nested documents
CVE-2026-2302 6.5 MEDIUM Unsafe Reflection in Mongoid::Criteria.from_hash
CVE-2026-2303 6.5 MEDIUM Heap Out-of-Bounds Read in Go Driver GSSAPI C Wrappers enables application crash or inform
CVE-2026-25609 5.4 MEDIUM profile command may permit unauthorized configuration

IV. Related Vulnerabilities

Same product: MongoDB Server
Same vendor: MongoDB Inc
Same weakness: CWE-412

V. Comments for CVE-2026-25612

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