PT-2026-21488 · Unknown · Higuma Web-Audio-Recorder-Js

Joshua Sheridan + 2 · Published 2026-02-23 · Updated 2026-03-25 · CVE-2026-2964

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions higuma web-audio-recorder-js versions 0.1 and 0.1.1

Description A flaw exists in the extend function within the lib/WebAudioRecorder.js library, specifically in the Dynamic Config Handling component. This allows for improper modification of object prototype attributes. The issue is remotely exploitable, but requires a high level of complexity to successfully execute. The exploit is publicly available. The vendor was notified but did not respond.

Recommendations Update to a newer version of higuma web-audio-recorder-js that addresses this issue. As a temporary workaround, consider avoiding the use of the extend function within the lib/WebAudioRecorder.js library.

Exploit

Fix

RCE

Prototype Pollution

Code Injection

Weakness Enumeration

CWE-1321

CWE-94

Related Identifiers

CVE-2026-2964

Affected Products

Higuma Web-Audio-Recorder-Js

References · 10

• 🔥 https://vuldb.com/?submit.755221 · Exploit
• https://osv.dev/vulnerability/CVE-2026-2964 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2964 · Security Note
• https://vuldb.com/?id.347331 · Note
• https://t.me/CVEtracker/45466 · Telegram Post
• https://vuldb.com/?ctiid.347331 · Note
• https://twitter.com/CVEarity/status/2025953650091393081 · Twitter Post
• https://twitter.com/CVEnew/status/2025809032611860884 · Twitter Post
• https://t.me/cveNotify/152803 · Telegram Post
• https://twitter.com/UndercodeUpdate/status/2036818904085852635 · Twitter Post