Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-71962

CVE-2026-71962HIGH

FlowiseAI Flowise — Flowise 2.2.4 - 3.1.4 Missing Authorization via openai-assistants-file/download

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   N   N    8.7   .0068   50.8     —

AFFECTED
  Product  Versions  Fixed
  Flowise  2.2.4 –   —

TIMELINE
  Aug 8   Reserved by VulnCheck
  Aug 10  Published (CNA: VulnCheck)
  Aug 13  EXPLOIT PUBLISHED — CVE-2026-71962 (FlowiseAI Flowise). Public exploit reference added.
  Sep 4   EXPLOIT PUBLISHED — CVE-2026-71962 (FlowiseAI Flowise). Public exploit reference added.

CWE-862 · CNA: VulnCheck · CVSS v4.0 · 3 references · NVD status: Analyzed

Description

Flowise versions 2.2.4 through 3.1.4 contain a missing authorization vulnerability in the POST /api/v1/openai-assistants-file/download endpoint that allows unauthenticated attackers to access private files by exploiting the endpoint's inclusion in the global authentication whitelist, which bypasses all session and API key verification. Attackers can supply valid chatflowId, chatId, and fileName identifiers to retrieve files from any chatflow on the instance, including private chatflows belonging to other workspaces or organizations.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
August 8, 2026	Reserved	Reserved by VulnCheck
August 10, 2026	Published	Published (CNA: VulnCheck)
August 13, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-71962 (FlowiseAI Flowise). Public exploit reference added.
September 4, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-71962 (FlowiseAI Flowise). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
FlowiseAI	Flowise	—	2.2.4	—

Weaknesses

CWE-862

References (3)

https://flowiseai.com/sunset [Not Applicable]
https://gist.github.com/haidang-infosec/402db84bee7aca2f57bb109b31574649?utm_source=chatgpt.com [Exploit, Mitigation, Third Party Advisory]
https://www.vulncheck.com/advisories/flowise-missing-authorization-via-openai-assistants-file-download [Third Party Advisory]

Authoritative record: CVE-2026-71962 at cve.org

Vendors: flowiseai

Weaknesses: CWE-862

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-71962 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.