Vulnerability · Published Feb 23, 2026 · Assigned by VulDB
CVE-2026-2964higuma web-audio-recorder-js Dynamic Config Handling WebAudioRecorder.js extend prototype pollution
Medium 5.0
In plain English
A medium-severity prototype pollution in web-audio-recorder-js from higuma. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| higuma | web-audio-recorder-js | 0.10.1.1 |
Weakness: CWE-1321, CWE-94 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-347331 | higuma web-audio-recorder-js Dynamic Config Handling WebAudioRecorder.js extend prototype pollution vdb-entry, technical-description
- VDB-347331 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #755221 | higuma web-audio-recorder-js Latest (0.1.1) Prototype Pollution third-party-advisory