CVE-2026-90505 LOW

CVE-2026-90505: vvbbnn00 WARP-Clash-API doUpdateLicenseKey race condition

Vendor Vvbbnn00
Product WARP-Clash-API
Weakness CWE-362
Published September 13, 2026
Last update September 13, 2026

CVSS base score

2.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was found in vvbbnn00 WARP-Clash-API up to c7bf2360073959861219b422e51ae86411051b46. This affects the function doUpdateLicenseKey. The manipulation results in race condition. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is reported as difficult. The exploit has been made public and could be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

Key dates

02Disclosure timeline

September 13, 2026 CVE published