Improper Access Control in WARP-Clash-API by vvbbnn00
CVE-2026-90507

5.3MEDIUM

Key Information:

Vendor

Vvbbnn00

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90507?

A vulnerability has been identified in the WARP-Clash-API related to the Subscription Handler's get_surge_subscription function. The issue arises from improper access control due to manipulation of the argument key, which could allow unauthorized access to sensitive information. This flaw may be exploited remotely, and due to the product's rolling release model, version specifics are not available. Notably, this vulnerability affects products that are no longer supported by the maintainer, and exploits are publicly accessible.

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-2026-90507 - Proof of Concept

References

https://vuldb.com/vuln/403095
vdb-entrytechnical-description
https://vuldb.com/vuln/403095/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90507
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Galaxyn (VulDB User)
VulDB CNA Team
.