vvbbnn00 WARP-Clash-API up to c7bf2360073959861219b422e51ae86411051b46 doUpdateLicenseKey race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$0-$5k2.35

Summaryinfo

A vulnerability was found in vvbbnn00 WARP-Clash-API up to c7bf2360073959861219b422e51ae86411051b46. It has been classified as problematic. This impacts the function doUpdateLicenseKey. This manipulation causes race condition. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability appears as CVE-2026-90505. The attack may be initiated remotely. In addition, an exploit is available. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as problematic was found in vvbbnn00 WARP-Clash-API up to c7bf2360073959861219b422e51ae86411051b46. Affected by this vulnerability is the function doUpdateLicenseKey. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at gist.github.com. This vulnerability is known as CVE-2026-90505. The exploitation appears to be difficult. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

Support

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.0
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/12/2026 Advisory disclosed
09/12/2026 +0 days VulDB entry created
09/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2026-90505 (🔒)
GCVE (CVE): GCVE-0-2026-90505
GCVE (VulDB): GCVE-100-403093
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/12/2026 10:52
Changes: 09/12/2026 10:52 (58)
Complete: 🔍
Submitter: Galaxyn
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #895264: vvbbnn00 (https://github.com/vvbbnn00) WARP-Clash-API latest (main/master branch) CWE-362 (Race Condition / TOCTOU - non-atomic check-then-act wit (by Galaxyn)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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