CVE-2026-4147— Stack memory disclosure in filemd5 command
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I. Basic Information for CVE-2026-4147
Vulnerability Information
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Vulnerability Title
Stack memory disclosure in filemd5 command
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用未经初始化的变量
Source: NVD (National Vulnerability Database)
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，该漏洞源于具有读取角色的经过身份验证的用户可能通过特制的filemd5命令读取未初始化的栈内存。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MongoDB Inc | MongoDB Server | 8.2 ~ 8.2.6 | - |
II. Public POCs for CVE-2026-4147
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · MongoDB Inc · 2026-03-17 · 4 CVEs total
| CVE-2026-4148 | 8.8 HIGH | ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation op |
| CVE-2026-4358 | 6.4 MEDIUM | Memory safety issues in slot-based execution hash table spill |
| CVE-2026-4359 | 2.0 LOW | Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer |
IV. Related Vulnerabilities
Same product: MongoDB Server
- CVE-2026-8063
Post-auth null pointer dereference when aggregating against - CVE-2026-6915
Flaw in the updateUser Command May Allow Unauthorized Config - CVE-2026-6914
MD5 checksum creation may cause availability loss - CVE-2026-5170
Users could trigger a crash of mongod primaries during promo - CVE-2026-4358
Memory safety issues in slot-based execution hash table spil
Same vendor: MongoDB Inc
- CVE-2026-4359
Heap-buffer-over-read in _mongoc_http_send via strstr on non - CVE-2026-4358
Memory safety issues in slot-based execution hash table spil - CVE-2026-4148
ExpressionContext use-after-free in classic engine $lookup a - CVE-2026-2303
Heap Out-of-Bounds Read in Go Driver GSSAPI C Wrappers enabl - CVE-2026-2302
Unsafe Reflection in Mongoid::Criteria.from_hash
V. Comments for CVE-2026-4147
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