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

Quick assessment

Affected
vvbbnn00 WARP-Clash-API
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

vvbbnn00 开发的 WARP-Clash-API（版本标识为 c7bf2360073959861219b422e51ae86411051b46 及之前版本）中存在一个漏洞，受影响的功能为 。该漏洞源于竞态条件（race condition），攻击者可远程发起攻击，但攻击复杂度较高。可利用性被评估为“困难”（difficult）。相关利用代码/技术已公开，可能被用于实际利用。该产品不使用传统的版本号管理，因此无法提供具体受影响或未受影响的版本信息。维护方虽在披露初期即被联系，但始终未作出任何回应。此外，该漏洞仅

CVSS 5.0 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-90505

Vulnerability Information
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Vulnerability Title
vvbbnn00 WARP-Clash-API doUpdateLicenseKey race condition
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
vvbbnn00 WARP-Clash-API c7bf2360073959861219b422e51ae86411051b46 cpe:2.3:a:vvbbnn00:warp-clash-api:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90505

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III. Intelligence Information for CVE-2026-90505

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Vendor Advisories for CVE-2026-90505 (1)

Same Patch Batch · vvbbnn00 · 2026-09-13 · 4 CVEs total

CVE-2026-90504 7.3 HIGH vvbbnn00 WARP-Clash-API authorized missing authentication
CVE-2026-90507 6.3 MEDIUM vvbbnn00 WARP-Clash-API Subscription subscription.py get_surge_subscription access control
CVE-2026-90506 5.0 MEDIUM vvbbnn00 WARP-Clash-API Save Account Job race condition

IV. Related Vulnerabilities

Same product: WARP-Clash-API
Same vendor: vvbbnn00
Same weakness: CWE-362

V. Comments for CVE-2026-90505

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