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CVE Vulnerability Details :
CVE-2026-6811
PUBLISHED
More InfoOfficial Page
Assigner-mongodb
Assigner Org ID-a39b4221-9bd0-4244-95fc-f3e2e07f1deb
View Known Exploited Vulnerability (KEV) details
Published At-14 May, 2026 | 21:27
Updated At-15 May, 2026 | 13:30
Rejected At-
▼CVE Numbering Authority (CNA)
PHP Stack Exhaustion

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 Products
Vendor
MongoDB, Inc.MongoDB Inc.
Product
PHP Driver
Default Status
unaffected
Versions
Affected
  • 1.21.5 (semver)
  • 2.1.8 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-674CWE-674 Uncontrolled Recursion
Type: CWE
CWE ID: CWE-674
Description: CWE-674 Uncontrolled Recursion
Metrics
VersionBase scoreBase severityVector
4.06.0MEDIUM
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
3.15.9MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 6.0
Base severity: MEDIUM
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
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-230CAPEC-230 Serialized Data with Nested Payloads
CAPEC ID: CAPEC-230
Description: CAPEC-230 Serialized Data with Nested Payloads
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://jira.mongodb.org/browse/PHPC-2636
N/A
Hyperlink: https://jira.mongodb.org/browse/PHPC-2636
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found