AI Threat Alert
CVE-2026-91937
HIGHFlowise 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...
Full CISO analysis pending enrichment.
How severe is it?
What is the attack surface?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2026-91937?
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.
Is CVE-2026-91937 actively exploited?
No confirmed active exploitation of CVE-2026-91937 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-91937?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-91937?
CVE-2026-91937 has a CVSS v3.1 base score of 7.5 (HIGH). The EPSS exploitation probability is 0.28%.
What are the technical details?
Original Advisory
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.
Weaknesses (CWE)
CWE-943 Improper Neutralization of Special Elements in Data Query Logic
Primary
CWE-943 Improper Neutralization of Special Elements in Data Query Logic CWE-943 — Improper Neutralization of Special Elements in Data Query Logic: The product generates a query intended to access or manipulate data in a data store such as a database, but it does not neutralize or incorrectly neutralizes special elements that can modify the intended logic of the query.
Source: MITRE CWE corpus.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N