CVE-2026-16150
RobinHerbots Inputmask Internal Deep Merge Helper extend.js extendAliases prototype pollution
Description
A vulnerability was found in RobinHerbots Inputmask up to 5.0.9. Affected by this issue is the function extendDefaults/extendDefinitions/extendAliases in the library lib/dependencyLibs/extend.js of the component Internal Deep Merge Helper. The manipulation results in improperly controlled modification of object prototype attributes. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.
INFO
Published Date :
July 18, 2026, 8:17 p.m.
Last Modified :
July 18, 2026, 8:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-16150
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update the Inputmask library to a secure version.
- Avoid direct user input for extending defaults.
- Validate and sanitize extended properties.
- Monitor for vendor security advisories.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-16150.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16150 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16150
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16150 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16150 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 18, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:robinherbots:inputmask:*:*:*:*:*:*:*:*'], 'vendor': 'RobinHerbots', 'modules': ['Internal Deep Merge Helper'], 'product': 'Inputmask', 'versions': [{'status': 'affected', 'version': '5.0.0'}, {'status': 'affected', 'version': '5.0.1'}, {'status': 'affected', 'version': '5.0.2'}, {'status': 'affected', 'version': '5.0.3'}, {'status': 'affected', 'version': '5.0.4'}, {'status': 'affected', 'version': '5.0.5'}, {'status': 'affected', 'version': '5.0.6'}, {'status': 'affected', 'version': '5.0.7'}, {'status': 'affected', 'version': '5.0.8'}, {'status': 'affected', 'version': '5.0.9'}]}] Added Description A vulnerability was found in RobinHerbots Inputmask up to 5.0.9. Affected by this issue is the function extendDefaults/extendDefinitions/extendAliases in the library lib/dependencyLibs/extend.js of the component Internal Deep Merge Helper. The manipulation results in improperly controlled modification of object prototype attributes. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-94 Added CWE CWE-1321 Added Reference https://github.com/RobinHerbots/Inputmask/ Added Reference https://github.com/RobinHerbots/Inputmask/issues/2885 Added Reference https://vuldb.com/cve/CVE-2026-16150 Added Reference https://vuldb.com/submit/856979 Added Reference https://vuldb.com/vuln/379909 Added Reference https://vuldb.com/vuln/379909/cti