CVE-2026-6811— PHP Stack Exhaustion
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MongoDB Inc. | PHP Driver | 1.21.5 | affected |
2.1.8 | affected |
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I. Basic Information for CVE-2026-6811
Vulnerability Information
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Vulnerability Title
PHP Stack Exhaustion
Source: NVD (National Vulnerability Database)
Vulnerability Description
Stack exhaustion vulnerability in the MongoDB PHP driver can cause application crashes when processing deeply nested BSON documents in unusual circumstances when the source of these BSON documents is not MongoDB Server.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Vulnerability Title
MongoDB PHP Driver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB PHP Driver是MongoDB开源的一个面向PHP应用的MongoDB数据库连接驱动。 MongoDB PHP Driver存在安全漏洞，该漏洞源于处理深度嵌套的BSON文档时存在栈耗尽，可能导致应用程序崩溃。
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. | PHP Driver | 1.21.5 | - |
II. Public POCs for CVE-2026-6811
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: MongoDB Inc.
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Cross-Shard Failovers May Lead to Partial Transaction Commit
Same weakness: CWE-674
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