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CVE-2026-106436 Details
Description
The BSON encoder in the MongoDB PHP Driver does not check some return values after a document exceeds libbson's size limit. This can leave the encoder in an invalid state. An unauthenticated actor who can cause an affected application to encode an unusually large data structure can terminate the PHP worker or cause the resulting document to omit fields. No MongoDB server connection or database authentication is required.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 8, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Partial
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://jira.mongodb.org/browse/PHPC-2739 | [email protected] | Vendor AdvisoryIssue Tracking |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-252 | Unchecked Return Value | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mongodb php driver | >= 1.3.0, < 1.21.1 >= 2.0.0, < 2.1.11 >= 2.2.0, < 2.5.4 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 13, 2026 | Initial Analysis | [email protected] |
| Oct 8, 2026 | New CVE Received | [email protected] |
| Oct 8, 2026 | CVE Modified | CISA-ADP |