CVE-2025-71327

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-26. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows unauthenticated attackers to create user accounts. Remote attackers can exploit this endpoint to register arbitrary accounts and authenticate to the system, gaining full API access without credentials.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity91% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 29, 2026

Advisory Details (2)

Auto-updated Jun 25, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

Flowise - Authentication Bypass via Unprotected Registration Endpoint | Advisories | VulnCheck

https://www.vulncheck.com/advisories/flowise-authentication-bypass-via-unprotected-registration-endpoint
github Patch Available🟡 PoC Available

Authentication Bypass Using Unprotected Registration Endpoint (/register) · Advisory · FlowiseAI/Flowise · GitHub

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882

Vendor Advisories for CVE-2025-71327(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
flowise3.0.1——

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 180× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 192 total refreshes for this CVE.

  1. 2026-07-27 09:49 UTCGHSA enrichment
  2. 2026-07-27 06:08 UTCGHSA enrichment
  3. 2026-07-27 02:06 UTCGHSA enrichment
  4. 2026-07-26 22:25 UTCGHSA enrichment
  5. 2026-07-26 18:43 UTCGHSA enrichment
  6. 2026-07-26 14:54 UTCEG score recompute
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-26 14:54 UTCGHSA enrichment
  9. 2026-07-26 14:54 UTCEPSS rescore
  10. 2026-07-25 14:17 UTCEPSS rescore
  11. 2026-07-25 14:17 UTCEPSS rescore
  12. 2026-07-24 14:17 UTCEPSS rescore
  13. 2026-07-23 14:18 UTCEPSS rescore
  14. 2026-07-23 14:18 UTCEPSS rescore
  15. 2026-07-23 03:03 UTCEG score recompute
  16. 2026-07-22 14:08 UTCEPSS rescore
  17. 2026-07-21 15:24 UTCEPSS rescore
  18. 2026-07-20 17:08 UTCEPSS rescore
  19. 2026-07-19 14:30 UTCEPSS rescore
  20. 2026-07-19 14:30 UTCEPSS rescore
  21. 2026-07-19 02:28 UTCEPSS rescore
  22. 2026-07-19 02:28 UTCEPSS rescore
  23. 2026-07-18 10:04 UTCEPSS rescore
  24. 2026-07-18 10:04 UTCEPSS rescore
  25. 2026-07-17 05:02 UTCGHSA enrichment
Show 75 more
  1. 2026-07-17 01:20 UTCGHSA enrichment
  2. 2026-07-16 21:38 UTCGHSA enrichment
  3. 2026-07-16 17:57 UTCGHSA enrichment
  4. 2026-07-16 17:02 UTCEPSS rescore
  5. 2026-07-16 17:02 UTCEPSS rescore
  6. 2026-07-16 14:16 UTCGHSA enrichment
  7. 2026-07-16 10:34 UTCGHSA enrichment
  8. 2026-07-16 06:51 UTCGHSA enrichment
  9. 2026-07-16 02:42 UTCGHSA enrichment
  10. 2026-07-15 23:00 UTCGHSA enrichment
  11. 2026-07-15 19:18 UTCGHSA enrichment
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-15 15:34 UTCGHSA enrichment
  15. 2026-07-15 11:53 UTCGHSA enrichment
  16. 2026-07-15 07:56 UTCGHSA enrichment
  17. 2026-07-15 04:14 UTCGHSA enrichment
  18. 2026-07-15 02:00 UTCEPSS rescore
  19. 2026-07-15 01:59 UTCEPSS rescore
  20. 2026-07-15 00:24 UTCGHSA enrichment
  21. 2026-07-14 20:42 UTCGHSA enrichment
  22. 2026-07-14 17:00 UTCGHSA enrichment
  23. 2026-07-14 13:19 UTCGHSA enrichment
  24. 2026-07-14 09:38 UTCGHSA enrichment
  25. 2026-07-14 05:36 UTCGHSA enrichment
  26. 2026-07-14 01:53 UTCGHSA enrichment
  27. 2026-07-13 22:12 UTCGHSA enrichment
  28. 2026-07-13 18:31 UTCGHSA enrichment
  29. 2026-07-13 14:48 UTCGHSA enrichment
  30. 2026-07-13 11:07 UTCGHSA enrichment
  31. 2026-07-13 07:26 UTCGHSA enrichment
  32. 2026-07-13 06:12 UTCEPSS rescore
  33. 2026-07-13 03:45 UTCGHSA enrichment
  34. 2026-07-13 00:03 UTCGHSA enrichment
  35. 2026-07-12 20:21 UTCGHSA enrichment
  36. 2026-07-12 16:40 UTCGHSA enrichment
  37. 2026-07-12 12:57 UTCGHSA enrichment
  38. 2026-07-12 09:15 UTCGHSA enrichment
  39. 2026-07-12 05:46 UTCEPSS rescore
  40. 2026-07-12 05:46 UTCEPSS rescore
  41. 2026-07-12 05:33 UTCGHSA enrichment
  42. 2026-07-12 01:49 UTCGHSA enrichment
  43. 2026-07-11 22:08 UTCGHSA enrichment
  44. 2026-07-11 18:25 UTCGHSA enrichment
  45. 2026-07-11 14:44 UTCGHSA enrichment
  46. 2026-07-11 11:03 UTCGHSA enrichment
  47. 2026-07-11 08:27 UTCEPSS rescore
  48. 2026-07-11 08:27 UTCEPSS rescore
  49. 2026-07-11 07:21 UTCGHSA enrichment
  50. 2026-07-11 03:39 UTCGHSA enrichment
  51. 2026-07-10 23:58 UTCGHSA enrichment
  52. 2026-07-10 20:17 UTCGHSA enrichment
  53. 2026-07-10 16:36 UTCGHSA enrichment
  54. 2026-07-10 12:53 UTCGHSA enrichment
  55. 2026-07-10 09:12 UTCGHSA enrichment
  56. 2026-07-10 05:31 UTCGHSA enrichment
  57. 2026-07-10 01:45 UTCGHSA enrichment
  58. 2026-07-09 22:04 UTCGHSA enrichment
  59. 2026-07-09 19:10 UTCEPSS rescore
  60. 2026-07-09 18:23 UTCGHSA enrichment
  61. 2026-07-09 14:40 UTCGHSA enrichment
  62. 2026-07-09 10:46 UTCGHSA enrichment
  63. 2026-07-09 07:01 UTCGHSA enrichment
  64. 2026-07-09 03:19 UTCGHSA enrichment
  65. 2026-07-08 23:35 UTCGHSA enrichment
  66. 2026-07-08 19:54 UTCGHSA enrichment
  67. 2026-07-08 16:07 UTCGHSA enrichment
  68. 2026-07-08 15:15 UTCEPSS rescore
  69. 2026-07-08 12:24 UTCGHSA enrichment
  70. 2026-07-08 08:35 UTCGHSA enrichment
  71. 2026-07-08 04:54 UTCGHSA enrichment
  72. 2026-07-08 01:13 UTCGHSA enrichment
  73. 2026-07-07 21:32 UTCGHSA enrichment
  74. 2026-07-07 17:50 UTCGHSA enrichment
  75. 2026-07-07 13:46 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-71327?
CVE-2025-71327 is a critical vulnerability published on June 25, 2026. Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows unauthenticated attackers to create user accounts. Remote attackers can exploit this endpoint to register arbitrary accounts and authenticate to the system, gaining full API…
When was CVE-2025-71327 disclosed?
CVE-2025-71327 was first published in the National Vulnerability Database on June 25, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-71327 actively exploited?
CVE-2025-71327 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.7% of all scored CVEs.
What is the CVSS score of CVE-2025-71327?
CVE-2025-71327 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2025-71327?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-71327, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-71327

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