---
id: CVE-2026-127281
title: lanyulei ferry JWT Validation auth.go improper authentication
summary: >-
  A vulnerability was found in lanyulei ferry 1.0.0-beta.1/1.0.0. Affected is an
  unknown function of the file middleware/auth.go of the component JWT
  Validation. The manipulation results in improper authentication. The attack
  can be execut…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-287
vendor: lanyulei
product: ferry
affected:
  - ferry 1.0.0
  - ferry 1.0.0-beta.1
published: '2026-11-13'
updated: '2026-11-13'
sourceUpdated: '2026-11-13T01:15:20.637Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-127281'
references:
  - url: 'https://vuldb.com/vuln/436447'
    label: VDB-436447 | lanyulei ferry JWT Validation auth.go improper authentication
  - url: 'https://vuldb.com/vuln/436447/cti'
    label: 'VDB-436447 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-127281'
    label: CVE-2026-127281 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1041008'
    label: >-
      Submit #1041008 | lanyulei ferry <= 1.0.0 JWT Empty Secret Authentication
      Bypass
  - url: 'https://vuldb.com/submit/1041009'
    label: >-
      Submit #1041009 | lanyulei ferry <= 1.0.0 Authentication Bypass by Primary
      Weakness (Duplicate)
  - url: >-
      https://github.com/liumiya63-arch/CVE/blob/main/ferry-CVE-en-20261018/CVE-ferry-jwt-auth-bypass.md
tags:
  - cve.org
ingestedAt: '2026-11-13T02:19:56.907Z'
---

## Overview

A vulnerability was found in lanyulei ferry 1.0.0-beta.1/1.0.0. Affected is an unknown function of the file middleware/auth.go of the component JWT Validation. The manipulation results in improper authentication. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `ferry 1.0.0`
- `ferry 1.0.0-beta.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.