CVE-2026-127281
lanyulei ferry JWT Validation auth.go improper authentication
- High 7.5
- A public exploit reference is listed
Description
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.
Key facts
- Published
- 13 Nov 2026
- Last changed
- 13 Nov 2026
- Assigned by
- VulDB
- EPSS
- 0.405% likely to be exploited in the next 30 days, higher than 35.331% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: poc; Automatable: yes; Technical impact: partial
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 6.9CVSS 4.0, Mediumfrom the CNA (VulDB)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - 7.3CVSS 3.1, Highfrom the CNA (VulDB)
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 - 7.3CVSS 3.0, Highfrom the CNA (VulDB)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C - 7.5CVSS 2.0, Highfrom the CNA (VulDB)
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| lanyulei | ferry |
|
Timeline
- 12 Nov 2026 Advisory disclosed
- 12 Nov 2026 VulDB entry created
- 12 Nov 2026 VulDB entry last update
- 13 Nov 2026 Published
Weakness
References
- VDB-436447 | lanyulei ferry JWT Validation auth.go improper authentication
- VDB-436447 | CTI Indicators (IOB, IOC, IOA)
- CVE-2026-127281 | CVE Analysis and Report
- Submit #1041008 | lanyulei ferry <= 1.0.0 JWT Empty Secret Authentication Bypass
- Submit #1041009 | lanyulei ferry <= 1.0.0 Authentication Bypass by Primary Weakness (Duplicate)
- github.com