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CVE-2026-93765

9.1 · CRITICAL

Mongoid contains an unsafe reflection weakness in the document persistence layer of its object-document mapping code.

Published Sep 18, 2026mongodbCWE-470EPSS 0.51%

Overview

CVE-2026-93765 is a critical-severity vulnerability affecting mongodb mongoid. It was published on September 18, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Mongoid contains an unsafe reflection weakness in the document persistence layer of its object-document mapping code. Input whose keys are passed through from an unauthenticated party by an embedding application can cause unintended internal method invocation instead of the intended array field update. This may result in unintended removal of stored records and in the embedding application becoming unresponsive.

Remediation

Check the references section for vendor advisories and patches from mongodb. Update mongoid to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
mongodbmongoid>= 8.0.0, < 8.0.12Affected

References

Refjira.mongodb.org/browse/MONGOID-5973

How CyberStrike helps

Frequently asked questions

What is CVE-2026-93765?

CVE-2026-93765 is a critical-severity vulnerability affecting mongodb mongoid. It was published on September 18, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2026-93765?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-93765?

Check the references section for vendor advisories and patches from mongodb. Update mongoid to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-93765?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-93765 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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