Vulnerability DatabaseCVE-2026-6811
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-6811
Published:May 14, 2026
Updated:May 18, 2026
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.
Affected Packages
https://github.com/mongodb/mongo-php-driver.git (GITHUB):
Affected version(s) >=0.1.0 <1.21.5
Fix Suggestion:
Update to version 1.21.5
https://github.com/mongodb/mongo-php-driver.git (GITHUB):
Affected version(s) >=2.0.0 <2.1.8
Fix Suggestion:
Update to version 2.1.8
Related Resources (1)
https://jira.mongodb.org/browse/PHPC-2636
Do you need more information?
Contact Us
CVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Recursion
CWE-674
EPSS
Base Score:
0.04