CVE-2026-8200— Schema validation log messages may not redact user data
Possible ATT&CK Techniques 1AI
T1005 · Data from Local SystemAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MongoDB, Inc. | MongoDB Server | 7.0< 7.0.34 | affected |
8.0< 8.0.23 | affected | ||
8.2< 8.2.9 | affected | ||
8.3< 8.3.2 | affected |
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I. Basic Information for CVE-2026-8200
Vulnerability Information
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Vulnerability Title
Schema validation log messages may not redact user data
Source: NVD (National Vulnerability Database)
Vulnerability Description
When schema validation is enabled on a collection and an update or insert would violate the collection's schema, the local server log message generated may not have all user data redacted. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过日志文件的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
MongoDB Server 日志信息泄露漏洞
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存在日志信息泄露漏洞，该漏洞源于模式验证日志生成时未完全编辑用户数据，可能导致敏感信息泄露。以下版本受到影响：7.0.34之前版本、8.0.23之前版本、8.2.9之前版本和8.3.2之前版本。
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 | 7.0 ~ 7.0.34 | - |
II. Public POCs for CVE-2026-8200
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://jira.mongodb.org/browse/SERVER-121895issue-tracking
- https://nvd.nist.gov/vuln/detail/CVE-2026-8200
Same Patch Batch · MongoDB, Inc. · 2026-05-13 · 5 CVEs total
| CVE-2026-8336 | 7.5 HIGH | Post-authentication use-after-free error in $_internalJsEmit and mapreduce commands |
| CVE-2026-8199 | 6.5 MEDIUM | Post-auth memory exhaustion via bitwise match expressions |
| CVE-2026-8201 | 6.4 MEDIUM | Use-After-Free in MongoDB FLE Query Analysis When Processing Positional Projections on Enc |
| CVE-2026-8202 | 4.3 MEDIUM | Post-authentication CPU utilization DoS via $trim/$ltrim/$rtrim operators |
IV. Related Vulnerabilities
Same product: MongoDB Server
- CVE-2026-8202
Post-authentication CPU utilization DoS via $trim/$ltrim/$rt - CVE-2026-8336
Post-authentication use-after-free error in $_internalJsEmit - CVE-2026-8201
Use-After-Free in MongoDB FLE Query Analysis When Processing - CVE-2026-8199
Post-auth memory exhaustion via bitwise match expressions - CVE-2026-8053
FlatBSON Duplicate Field Index Drift
Same vendor: MongoDB, Inc.
- CVE-2026-8202
Post-authentication CPU utilization DoS via $trim/$ltrim/$rt - CVE-2026-8336
Post-authentication use-after-free error in $_internalJsEmit - CVE-2026-8201
Use-After-Free in MongoDB FLE Query Analysis When Processing - CVE-2026-8199
Post-auth memory exhaustion via bitwise match expressions - CVE-2026-8053
FlatBSON Duplicate Field Index Drift
Same weakness: CWE-532
- CVE-2026-44516
Valtimo: Sensitive data exposure through HTTP request/respon - CVE-2026-41219
BIG-IP QKView vulnerability - CVE-2026-41018
Apache Airflow Providers Elasticsearch: Elasticsearch task-l - CVE-2026-43826
Apache Airflow Providers OpenSearch: OpenSearch task-log han - CVE-2026-42282
n8n-MCP: Sensitive MCP tool-call arguments logged on authent
V. Comments for CVE-2026-8200
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