Missing Authentication in WARP-Clash-API by vvbbnn00
CVE-2026-90504

6.9MEDIUM

Key Information:

Vendor

Vvbbnn00

Status
Warp-clash-api
Vendor
CVE Published:
13 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90504?

A significant vulnerability exists within the WARP-Clash-API by vvbbnn00, specifically related to the function authorized. This issue arises from improper handling of the SECRET_KEY argument, which results in missing authentication and allows for unauthorized access. This vulnerability can be exploited remotely, posing a risk to users of this API, especially those using versions that are no longer supported. As continuous delivery practices are adopted by this product, it poses a challenge in identifying updated versions or specific patches.

Affected Version(s)

WARP-Clash-API c7bf2360073959861219b422e51ae86411051b46

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-2026-90504 - Proof of Concept

References

https://vuldb.com/vuln/403092
vdb-entrytechnical-description
https://vuldb.com/vuln/403092/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90504
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

Galaxyn (VulDB User)
VulDB CNA Team
.