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CVE-2026-91937

Flowise before 3.1.4 NoSQL Injection via sessionId

CVSS 3.1 7.5 HIGHCVSS 4.0 8.7 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-91937

Published

Flowise before 3.1.4 fails to sanitize the overrideConfig.sessionId parameter before using it in MongoDB queries within the MongoDBMemory node. Unauthenticated attackers can submit MongoDB operator objects through the prediction API to read chat history records belonging to other users from the shared collection.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91937

Published

Flowise

Vendor product

Publisher's version information

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

{
                    "vendor": "FlowiseAI",
                    "product": "Flowise",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/flowise",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "3.1.4"
                        },
                        {
                            "version": "3.1.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

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