Flowise Authentication Bypass Vulnerability CVE-2025-71327
Flowise
Flowise contains an authentication bypass flaw in its account registration endpoint allowing unauthenticated remote attackers to create user accounts. Successful exploitation grants attackers full API access without valid credentials.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 9.3
- EPSS
- 0.01 · top 48% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 25 Jun 2026
- last update
- 25 Jun 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-06-25CVE-2025-71327: Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows…NVD · nvd.nist.gov/vuln/detail/CVE-2025-71327
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 25 Jun 2026 · first reported 25 Jun 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
This record as a short Markdown brief, for a ticket, a chat or a coding agent.
the brief as text
# Flowise Authentication Bypass Vulnerability CVE-2025-71327 https://gcdradar.vercel.app/incidents/flowise-authentication-bypass-vulnerability-cve-2025-71327 · AIR-2026-0035 · closed 2026-06-25 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-06-25 - AI role: Attack on AI - Products: Flowise - CVE ids: CVE-2025-71327 - CVSS: 9.3 ## Summary Flowise contains an authentication bypass flaw in its account registration endpoint allowing unauthenticated remote attackers to create user accounts. Successful exploitation grants attackers full API access without valid credentials. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-06-25: CVE-2025-71327: Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows… (https://nvd.nist.gov/vuln/detail/CVE-2025-71327) ## Sources - 2026-06-25 NVD: CVE-2025-71327: Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows… https://nvd.nist.gov/vuln/detail/CVE-2025-71327 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
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Patch now · Disclosed · since 12 Jul 2026 · CVE-2026-56271
AI - closed6.5Flowise Path Traversal in Flowise Vector Store Implementations
Patch now · Disclosed · since 8 Jul 2026 · CVE-2026-56273
AI - closed9.3Flowise CVE-2026-56278: Flowise uses a hardcoded default session secret enabling authentication bypass
Patch now · Disclosed · since 30 Jun 2026 · CVE-2026-56278
AI - closed6.9Flowise CVE-2026-56277: Flowise text-to-speech endpoint suffers from improper CORS configuration
Patch now · Disclosed · since 30 Jun 2026 · CVE-2026-56277
AI - closed5.0Flowise CVE-2026-58057: Flowise custom MCP stdio environment variable bypass leads to RCE
Patch now · Disclosed · since 28 Jun 2026 · CVE-2026-58057
AI - closed10.0Flowise Flowise Path Traversal File Overwrite Vulnerability CVE-2025-71338
Patch now · Disclosed · since 25 Jun 2026 · CVE-2025-71338
AI