MongoDB PHP Client Library Namespace Manipulation in Vendor Implementation
CVE-2026-81525

8.6HIGH

Key Information:

Vendor

Mongodb

Vendor
CVE Published:
27 August 2026

What is CVE-2026-81525?

The MongoDB PHP Client Library is susceptible to namespace manipulation, where insufficient sanitization of user-supplied namespace identifiers may lead to unintended database operations. Applications that incorporate untrusted text can potentially redirect operations to different storage locations, posing a significant risk to data integrity and security. Proper validation and sanitization measures should be implemented to mitigate this vulnerability.

Affected Version(s)

PHP Driver 1.0.0 < 2.4.1

References

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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