CVE-2026-6811 MEDIUM

CVE-2026-6811: PHP Stack Exhaustion

Vendor Mongodb Inc.
Product PHP Driver
Weakness CWE-674
Published May 14, 2026
Last update May 15, 2026
View on NVD All CVEs

CVSS base score

6.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 14, 2026 CVE published
May 15, 2026 Record updated