CVE-2025-71333 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2025-71333CRITICAL

Flowise - Arbitrary File Upload via Unauthenticated /api/v1/attachments Endpoint

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   H   H    9.3   .0080   53.8     —

AFFECTED
  Product  Versions     Fixed
  Flowise  unspecified  —

TIMELINE
  Jun 20  Reserved by VulnCheck
  Jun 25  EXPLOIT PUBLISHED — CVE-2025-71333 (Flowise). Public exploit reference added.
  Jun 25  Published (CNA: VulnCheck)

CWE-73 · CNA: VulnCheck · CVSS v4.0 · 2 references · NVD status: Analyzed

Description

Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 20, 2026	Reserved	Reserved by VulnCheck
June 25, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2025-71333 (Flowise). Public exploit reference added.
June 25, 2026	Published	Published (CNA: VulnCheck)

Affected

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

Weaknesses

CWE-73

References (2)

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g [Vendor Advisory, Exploit]
https://www.vulncheck.com/advisories/flowise-arbitrary-file-upload-via-unauthenticated-api-v1-attachments-endpoint [Third Party Advisory]

Authoritative record: CVE-2025-71333 at cve.org

Vendors: flowise

Weaknesses: CWE-73

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-71333 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 Wednesday, August 19, 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.