CVE-2026-91937
Flowise before 3.1.4 NoSQL Injection via sessionId
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 15, 2026
- Updated
- Sep 15, 2026
- Reserved
- Sep 15, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-943 Improper Neutralization of Special Elements in Data Query Logic
Affected Products
| Product | Versions |
|---|---|
FlowiseFlowiseAI |
|
References
- GitHub Security Advisory (GHSA-wpvf-4vfx-rgxm)vendor-advisory
- VulnCheck Advisory: Flowise before 3.1.4 NoSQL Injection via sessionIdthird-party-advisory
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