CVE-2026-91937

Summary

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.

Affected Software

VendorProductVersion RangeStatus
FlowiseAIFlowise0 < 3.1.4affected
FlowiseAIFlowise3.1.4unaffected

Weaknesses

  • CWE-943: Improper Neutralization of Special Elements in Data Query Logic

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References