VDB-347331 · Submit #755221 · CVE-2026-2964

higuma web-audio-recorder-js 0.1/0.1.1 Dynamic Config Handling lib/WebAudioRecorder.js extend prototype pollution

Summaryinfo

A vulnerability was found in higuma web-audio-recorder-js 0.1/0.1.1. It has been classified as problematic. The affected element is the function extend in the library lib/WebAudioRecorder.js of the component Dynamic Config Handling. Performing a manipulation results in prototype pollution. This vulnerability is identified as CVE-2026-2964. The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as problematic, was found in higuma web-audio-recorder-js 0.1/0.1.1. This affects the function extend in the library lib/WebAudioRecorder.js of the component Dynamic Config Handling. The manipulation with an unknown input leads to a prototype pollution vulnerability. CWE is classifying the issue as CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released by Matan Sandori and Joshua Sheridan with 2Bsecure. This vulnerability is uniquely identified as CVE-2026-2964. The exploitability is told to be difficult. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

higuma

Name

web-audio-recorder-js

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.0
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 5.0
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/22/2026 Advisory disclosed
02/22/2026 +0 days VulDB entry created
02/27/2026 +5 days VulDB entry last update

Sourcesinfo

Researcher: Matan Sandori, Joshua Sheridan
Organization: 2Bsecure
Status: Not defined

CVE: CVE-2026-2964 (🔒)
GCVE (CVE): GCVE-0-2026-2964
GCVE (VulDB): GCVE-100-347331
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/22/2026 08:31
Updated: 02/27/2026 16:11
Changes: 02/22/2026 08:31 (55), 02/22/2026 17:20 (2), 02/23/2026 07:16 (30), 02/27/2026 16:11 (12)
Complete: 🔍
Submitter: MatanS
Committer: MatanS
Cache ID: 216::103

Submitinfo

Accepted

Submit #755221: higuma web-audio-recorder-js Latest (0.1.1) Prototype Pollution (by MatanS)