Medium severity · published Sep 13, 2026
CVE-2026-90505
vvbbnn00 WARP-Clash-API doUpdateLicenseKey race condition
5.0
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WARP-Clash-API · vvbbnn00
c7bf2360073959861219b422e51ae86411051b46 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90505
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90505
gist.github.com
https://gist.github.com/Galaxync/62748fe998dd8518691e11d765224093
vuldb.com
https://vuldb.com/cve/CVE-2026-90505
vuldb.com
https://vuldb.com/submit/895264
vuldb.com
https://vuldb.com/vuln/403093
vuldb.com
https://vuldb.com/vuln/403093/cti
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