CVE-2026-90505 vvbbnn00 WARP-Clash-API doUpdateLicenseKey race condition
A race condition in WARP-Clash-API allows remote attackers to manipulate license key updates, affecting unsupported software.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90505?
CVE-2026-90505 is a low-severity vulnerability in vvbbnn00 WARP-Clash-API, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-362
Which versions are affected by CVE-2026-90505?
How do I fix CVE-2026-90505?
No fix has been published for CVE-2026-90505 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-90505 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90505 exists.
Sources
Also known as GHSA-jj5q-r2mq-29xr.