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CVE-2026-9754— Stack memory disclosure in filemd5 command

CVSS 6.5 · Medium EPSS 0.22% · P13

Possible ATT&CK Techniques 1AI

T1005 · Data from Local System

Affected Version Matrix 2

VendorProductVersion RangeStatus
MongoDBMongoDB8.3.0< 8.3.3affected
8.2.0< 8.2.10affected
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I. Basic Information for CVE-2026-9754

Vulnerability Information
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Vulnerability Title
Stack memory disclosure in filemd5 command
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated user with the read role may read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用未经初始化的变量
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，该漏洞源于经过身份验证的具有读取角色的用户可通过特制的filemd5命令读取有限数量的未初始化堆栈内存。
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

VendorProductAffected VersionsCPESubscribe
MongoDBMongoDB 8.3.0 ~ 8.3.3 -

II. Public POCs for CVE-2026-9754

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III. Intelligence Information for CVE-2026-9754

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Same Patch Batch · MongoDB · 2026-06-09 · 14 CVEs total

CVE-2026-97538.1 HIGHServer crash via malformed binary diff passed to $_internalApplyOplogUpdate.
CVE-2026-97407.5 HIGHUnbounded recursion in BSONColumn interleaved-reference causes pre-auth stack overflow
CVE-2026-97427.5 HIGHAuthenticate command with specific mechanism parameter can trigger server crash
CVE-2026-97506.5 MEDIUMMetadata name collision on $-prefixed fields causes post-auth server crash
CVE-2026-97486.5 MEDIUM$_internalConvertBucketIndexStats may crash the mongod server when working on no timeserie
CVE-2026-97476.5 MEDIUMCrafted cross-shard merge aggregation crashes MongoDB Server
CVE-2026-97416.5 MEDIUMClient side encryption fails to encrypt values in a $vectorSearch
CVE-2026-97496.5 MEDIUMUsing MaxKey() may crash the server
CVE-2026-97526.5 MEDIUMGeometryCollection with strict-winding polygon causes server crash during 2dsphere index k
CVE-2026-97466.5 MEDIUMServer crashes in case of the use of exchange
CVE-2026-97436.5 MEDIUMAggregation sub-pipeline null dereference may allow DoS via crafted getMore
CVE-2026-97515.5 MEDIUMSensitive data could be written to mongod.log
CVE-2026-97355.5 MEDIUMKeyfile contents are in MongoDB Server logs

IV. Related Vulnerabilities

Same product: MongoDB
Same vendor: MongoDB
Same weakness: CWE-457

V. Comments for CVE-2026-9754

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