SB2026090255 - Input validation error in mongo-php-library

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Main Vulnerability Database SB2026090255

SB2026090255 - Input validation error in mongo-php-library

Published: September 2, 2026

Security Bulletin ID SB2026090255
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2026-81525)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to disclose sensitive information and modify data across tenants.

The vulnerability exists due to improper input validation in namespace strings when processing untrusted database or collection names. A remote user can pass a specially crafted database or collection name to disclose sensitive information and modify data across tenants.

The issue may cause operations to target a different database or collection than intended.


Remediation

Install update from vendor's website.

References