CVE-2026-2964 higuma web-audio-recorder-js Dynamic Config Handling WebAudioRecorder.js extend prototype pollution
Remote attackers can exploit prototype pollution in the extend function to achieve code execution, though exploitation is highly complex.
- 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-2026-2964?
CVE-2026-2964 is a low-severity code injection vulnerability in higuma web-audio-recorder-js, published on 23 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in higuma web-audio-recorder-js 0.1/0.1.1. Impacted is the function extend in the library lib/WebAudioRecorder.js of the component Dynamic Config Handling. Such manipulation leads to improperly controlled modification of object prototype attributes. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is considered difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-2964?
It affects 1 product.
Products include Higuma Webaudiorecorder.js.
How do I fix CVE-2026-2964?
No fix has been published for CVE-2026-2964 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-2964 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2964 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-72rq-263w-2jx8.