Improper Authentication in Lanyulei Ferry Product by Lanyulei
CVE-2026-127281

6.9MEDIUM

Key Information:

Vendor

Lanyulei

Status
Ferry
Vendor
CVE Published:
13 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-127281?

A security flaw exists in the Lanyulei Ferry application versions 1.0.0-beta.1 and 1.0.0, specifically within the JWT Validation component due to issues in the middleware/auth.go file. This vulnerability allows attackers to improperly authenticate, enabling potential unauthorized access through remote exploitation. The nature of the flaw has been disclosed publicly, and the vendor's lack of response to the initial alert raises concerns about the ongoing security of their product.

Affected Version(s)

ferry 1.0.0

ferry 1.0.0-beta.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-127281 - Proof of Concept

References

https://vuldb.com/vuln/436447
vdb-entry
https://vuldb.com/vuln/436447/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-127281
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

liumiya (VulDB User)
VulDB CNA Team
.