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CVE-2026-93765

Document deletion and process crash via unvalidated method-name dispatch in atomic pop operation

CVSS 4.0 8.3 HIGHCVSS 3.1 9.1 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-93765

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-93765

Published

Mongoid

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "MongoDB Inc.",
                    "product": "Mongoid",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "9.1.0",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "9.0.0",
                            "lessThanOrEqual": "9.0.11",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "8.1.0",
                            "lessThanOrEqual": "8.1.12",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "8.0.0",
                            "lessThanOrEqual": "8.0.12",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON