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CWE-1321

536 CVEs • Abstraction: Variant

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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.

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CVEs (536)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
2Deephas Project
Sharpred
2Deephas
Deephas
Jun 17, 2026
Nov 12, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Prototype pollution vulnerability in 'deephas' versions 1.0.0 through 1.0.5 allows attacker to cause a denial of service and may lead to remote code execution.
1Mjpclab
1Object Hierarchy Access
Jun 17, 2026
Nov 12, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Prototype pollution vulnerability in 'object-hierarchy-access' versions 0.2.0 through 0.32.0 allows attacker to cause a denial of service and may lead to remote code execution.
1Exodus
1Field
Jun 17, 2026
Nov 12, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Prototype pollution vulnerability in 'field' versions 0.0.1 through 1.0.1 allows attacker to cause a denial of service and may lead to remote code execution.
1Json8 Project
1Json8
Jun 17, 2026
Nov 12, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
This affects the package json8 before 1.0.3. The function adds in the target object the property specified in the path, however it does not properly check the key being set, leading to a prototype pollution.
1Grpc
1Grpc
Jun 17, 2026
Nov 11, 2020
N/A· v4
9.8 CRITICAL· v3
5.0 MEDIUM· v2
The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.
1Json Ptr Project
1Json Ptr
Jun 17, 2026
Nov 10, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
This affects all versions of package json-ptr. The issue occurs in the set operation (https://flitbit.github.io/json-ptr/classes/_src_pointer_.jsonpointer.htmlset) when the force flag is set to true. The function recursi...Show more
This affects all versions of package json-ptr. The issue occurs in the set operation (https://flitbit.github.io/json-ptr/classes/_src_pointer_.jsonpointer.htmlset) when the force flag is set to true. The function recursively set the property in the target object, however it does not properly check the key being set, leading to a prototype pollution.Show less
1Chartjs
1Chart.js
Jun 17, 2026
Oct 29, 2020
N/A· v4
9.8 CRITICAL· v3
5.0 MEDIUM· v2
This affects the package chart.js before 2.9.4. The options parameter is not properly sanitized when it is processed. When the options are processed, the existing options (or the defaults options) are deeply merged with...Show more
This affects the package chart.js before 2.9.4. The options parameter is not properly sanitized when it is processed. When the options are processed, the existing options (or the defaults options) are deeply merged with provided options. However, during this operation, the keys of the object being set are not checked, leading to a prototype pollution.Show less
1Chaijis
1Pathval
Jun 17, 2026
Oct 26, 2020
N/A· v4
7.2 HIGH· v3
6.5 MEDIUM· v2
pathval before version 1.1.1 is vulnerable to prototype pollution.
1Ts.ed Project
1Ts.ed
Jun 17, 2026
Oct 20, 2020
N/A· v4
8.1 HIGH· v3
6.8 MEDIUM· v2
This affects the package @tsed/core before 5.65.7. This vulnerability relates to the deepExtend function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and...Show more
This affects the package @tsed/core before 5.65.7. This vulnerability relates to the deepExtend function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.Show less
1Mathjs
1Math.js
Jun 17, 2026
Oct 13, 2020
N/A· v4
7.3 HIGH· v3
7.5 HIGH· v2
The package mathjs before 7.5.1 are vulnerable to Prototype Pollution via the deepExtend function that runs upon configuration updates.
1Manuelstofer
1Json Pointer
Jun 17, 2026
Oct 5, 2020
N/A· v4
7.2 HIGH· v3
6.5 MEDIUM· v2
This affects the package json-pointer before 0.6.1. Multiple reference of object using slash is supported.
1Safetydance Project
1Safetydance
Jun 17, 2026
Oct 2, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package safetydance are vulnerable to Prototype Pollution via the set function.
1Bmoor Project
1Bmoor
Jun 17, 2026
Oct 2, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
The package bmoor before 0.8.12 are vulnerable to Prototype Pollution via the set function.
1Typeorm
1Typeorm
Jun 17, 2026
Sep 18, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Prototype pollution vulnerability in the TypeORM package < 0.2.25 may allow attackers to add or modify Object properties leading to further denial of service or SQL injection attacks.
2Apache
Oracle
5Communications Policy Management
Financial Services Data Integration HubFinancial Services Market Risk Measurement And Management+2 more
Jun 17, 2026
Sep 14, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution.
1Gedi Project
1Gedi
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package gedi are vulnerable to Prototype Pollution via the set function.
1Safe Object2 Project
1Safe Object2
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package safe-object2 are vulnerable to Prototype Pollution via the setter function.
1Guidesmiths
1Worksmith
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package worksmith are vulnerable to Prototype Pollution via the setValue function.
1Tiny Conf Project
1Tiny Conf
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package tiny-conf are vulnerable to Prototype Pollution via the set function.
1Yola
1Promisehelpers
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package promisehelpers are vulnerable to Prototype Pollution via the insert function.