CWE-1321
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Description
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.
Hierarchy (View 1000)
Parents
Children
none
Related attack patterns (CAPEC)
CAPEC-1 · CAPEC-180 · CAPEC-77
CVEs mapped to this weakness (612)
page 30 of 31| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-16150 | Med | 0.00 | 6.3 | 0.00 | Jul 18, 2026 | 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… | ||
| CVE-2026-48819 | Med | 0.00 | 4.8 | 0.00 | Jul 17, 2026 | Hey API is an ecosystem for turning API specifications into production-ready code. Prior to 0.97.3, dist/clients/core/params.ts ships a runtime template copied into generated SDKs as params.gen.ts, and buildClientParams writes unknown slot-prefixed keys such as $body_,… | ||
| CVE-2026-16008 | Med | 0.00 | 6.3 | 0.00 | Jul 17, 2026 | A security vulnerability has been detected in sagold json-schema-library 11.5.0/11.5.1. This impacts the function parsePropertyDependencies of the file src/keywords/propertyDependencies.ts. The manipulation leads to improperly controlled modification of object prototype… | ||
| CVE-2026-15702 | Med | 0.00 | 6.3 | 0.00 | Jul 14, 2026 | A security vulnerability has been detected in tamagui up to 2.3.0. This affects the function updateConfig of the file code/core/web/src/config.ts. Such manipulation leads to improperly controlled modification of object prototype attributes. The attack may be performed from… | ||
| CVE-2026-15699 | Med | 0.00 | 6.3 | 0.00 | Jul 14, 2026 | A vulnerability was identified in spencermountain compromise up to 14.15.1. Affected is the function nlp.extend of the file src/API/extend.js of the component Public Root API. The manipulation of the argument plugin leads to improperly controlled modification of object prototype… | ||
| CVE-2026-15698 | Med | 0.00 | 6.3 | 0.00 | Jul 14, 2026 | A vulnerability was determined in kofrasa mingo up to 7.2.1. This impacts the function update/updateOne/updateMany of the component Update API. Executing a manipulation of the argument Set can lead to improperly controlled modification of object prototype attributes. The attack… | ||
| CVE-2026-15607 | Med | 0.00 | 4.3 | 0.00 | Jul 13, 2026 | A vulnerability was detected in tanstack db up to 0.6.8. Affected by this vulnerability is the function select of the file src/query/compiler/select.ts of the component Alias Path Handler. The manipulation results in improperly controlled modification of object prototype… | ||
| CVE-2026-15598 | Med | 0.00 | 6.3 | 0.00 | Jul 13, 2026 | A weakness has been identified in antv layout 2.0.0. This impacts the function setNestedValue in the library lib/util/object.js. Executing a manipulation of the argument path can lead to improperly controlled modification of object prototype attributes. The attack can be… | ||
| CVE-2026-56763 | Med | 0.00 | 4.8 | 0.00 | Jul 11, 2026 | Hono before 4.12.7 allows __proto__ key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with __proto__ properties. When parsed results are merged into regular JavaScript objects using unsafe merge patterns, attackers can… | ||
| CVE-2026-15195 | Med | 0.00 | 6.3 | 0.00 | Jul 9, 2026 | A weakness has been identified in apidevtools json-schema-ref-parser up to 15.3.5. This impacts the function Refs.set/Pointer.set in the library lib/pointer.ts. Executing a manipulation can lead to improperly controlled modification of object prototype attributes. The attack can… | ||
| CVE-2026-59206 | Hig | 0.00 | 7.1 | 0.00 | Jul 9, 2026 | n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated user with the default workflow:create permission could pollute Object.prototype through a crafted workflow saved, updated, or imported via the workflow API, allowing… | ||
| CVE-2026-57439 | Med | 0.00 | 5.0 | 0.00 | Jul 8, 2026 | CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts __proto__ as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject… | ||
| CVE-2026-57926 | Low | 0.00 | 2.6 | 0.00 | Jun 26, 2026 | In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack | ||
| CVE-2026-21854 | Cri | 0.00 | 9.8 | 0.00 | Jan 7, 2026 | The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to 02 January 2025, an authentication bypass vulnerability in the login endpoint allows any unauthenticated user to gain full admin access to the Tarkov Data Manager admin panel by exploiting a JavaScript… | ||
| CVE-2024-34698 | Med | 0.00 | 4.6 | 0.00 | May 14, 2024 | FreeScout is a free, self-hosted help desk and shared mailbox. Versions of FreeScout prior to 1.8.139 contain a Prototype Pollution vulnerability in the `/public/js/main.js` source file. The Prototype Pollution arises because the `getQueryParam` Function recursively merges an… | ||
| CVE-2023-32305 | Hig | 0.00 | 8.8 | 0.01 | May 12, 2023 | aiven-extras is a PostgreSQL extension. Versions prior to 1.1.9 contain a privilege escalation vulnerability, allowing elevation to superuser inside PostgreSQL databases that use the aiven-extras package. The vulnerability leverages missing schema qualifiers on privileged… | ||
| CVE-2022-31106 | Hig | 0.00 | 8.3 | 0.01 | Jun 28, 2022 | Underscore.deep is a collection of Underscore mixins that operate on nested objects. Versions of `underscore.deep` prior to version 0.5.3 are vulnerable to a prototype pollution vulnerability. An attacker can craft a malicious payload and pass it to `deepFromFlat`, which would… | ||
| CVE-2021-42581 | Cri | 0.00 | 9.1 | 0.01 | May 10, 2022 | Prototype poisoning in function mapObjIndexed in Ramda 0.27.0 and earlier allows attackers to compromise integrity or availability of application via supplying a crafted object (that contains an own property "__proto__") as an argument to the function. NOTE: the vendor disputes… | ||
| CVE-2022-25645 | Med | 0.00 | 6.5 | 0.02 | May 1, 2022 | All versions of package dset are vulnerable to Prototype Pollution via 'dset/merge' mode, as the dset function checks for prototype pollution by validating if the top-level path contains __proto__, constructor or protorype. By crafting a malicious object, it is possible to… | ||
| CVE-2022-21803 | Hig | 0.00 | 7.3 | 0.02 | Apr 12, 2022 | This affects the package nconf before 0.11.4. When using the memory engine, it is possible to store a nested JSON representation of the configuration. The .set() function, that is responsible for setting the configuration properties, is vulnerable to Prototype Pollution. By… |
- risk 0.00cvss 6.3epss 0.00
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…
- risk 0.00cvss 4.8epss 0.00
Hey API is an ecosystem for turning API specifications into production-ready code. Prior to 0.97.3, dist/clients/core/params.ts ships a runtime template copied into generated SDKs as params.gen.ts, and buildClientParams writes unknown slot-prefixed keys such as $body_,…
- risk 0.00cvss 6.3epss 0.00
A security vulnerability has been detected in sagold json-schema-library 11.5.0/11.5.1. This impacts the function parsePropertyDependencies of the file src/keywords/propertyDependencies.ts. The manipulation leads to improperly controlled modification of object prototype…
- risk 0.00cvss 6.3epss 0.00
A security vulnerability has been detected in tamagui up to 2.3.0. This affects the function updateConfig of the file code/core/web/src/config.ts. Such manipulation leads to improperly controlled modification of object prototype attributes. The attack may be performed from…
- risk 0.00cvss 6.3epss 0.00
A vulnerability was identified in spencermountain compromise up to 14.15.1. Affected is the function nlp.extend of the file src/API/extend.js of the component Public Root API. The manipulation of the argument plugin leads to improperly controlled modification of object prototype…
- risk 0.00cvss 6.3epss 0.00
A vulnerability was determined in kofrasa mingo up to 7.2.1. This impacts the function update/updateOne/updateMany of the component Update API. Executing a manipulation of the argument Set can lead to improperly controlled modification of object prototype attributes. The attack…
- risk 0.00cvss 4.3epss 0.00
A vulnerability was detected in tanstack db up to 0.6.8. Affected by this vulnerability is the function select of the file src/query/compiler/select.ts of the component Alias Path Handler. The manipulation results in improperly controlled modification of object prototype…
- risk 0.00cvss 6.3epss 0.00
A weakness has been identified in antv layout 2.0.0. This impacts the function setNestedValue in the library lib/util/object.js. Executing a manipulation of the argument path can lead to improperly controlled modification of object prototype attributes. The attack can be…
- risk 0.00cvss 4.8epss 0.00
Hono before 4.12.7 allows __proto__ key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with __proto__ properties. When parsed results are merged into regular JavaScript objects using unsafe merge patterns, attackers can…
- risk 0.00cvss 6.3epss 0.00
A weakness has been identified in apidevtools json-schema-ref-parser up to 15.3.5. This impacts the function Refs.set/Pointer.set in the library lib/pointer.ts. Executing a manipulation can lead to improperly controlled modification of object prototype attributes. The attack can…
- risk 0.00cvss 7.1epss 0.00
n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated user with the default workflow:create permission could pollute Object.prototype through a crafted workflow saved, updated, or imported via the workflow API, allowing…
- risk 0.00cvss 5.0epss 0.00
CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts __proto__ as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject…
- risk 0.00cvss 2.6epss 0.00
In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack
- risk 0.00cvss 9.8epss 0.00
The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to 02 January 2025, an authentication bypass vulnerability in the login endpoint allows any unauthenticated user to gain full admin access to the Tarkov Data Manager admin panel by exploiting a JavaScript…
- risk 0.00cvss 4.6epss 0.00
FreeScout is a free, self-hosted help desk and shared mailbox. Versions of FreeScout prior to 1.8.139 contain a Prototype Pollution vulnerability in the `/public/js/main.js` source file. The Prototype Pollution arises because the `getQueryParam` Function recursively merges an…
- risk 0.00cvss 8.8epss 0.01
aiven-extras is a PostgreSQL extension. Versions prior to 1.1.9 contain a privilege escalation vulnerability, allowing elevation to superuser inside PostgreSQL databases that use the aiven-extras package. The vulnerability leverages missing schema qualifiers on privileged…
- risk 0.00cvss 8.3epss 0.01
Underscore.deep is a collection of Underscore mixins that operate on nested objects. Versions of `underscore.deep` prior to version 0.5.3 are vulnerable to a prototype pollution vulnerability. An attacker can craft a malicious payload and pass it to `deepFromFlat`, which would…
- risk 0.00cvss 9.1epss 0.01
Prototype poisoning in function mapObjIndexed in Ramda 0.27.0 and earlier allows attackers to compromise integrity or availability of application via supplying a crafted object (that contains an own property "__proto__") as an argument to the function. NOTE: the vendor disputes…
- risk 0.00cvss 6.5epss 0.02
All versions of package dset are vulnerable to Prototype Pollution via 'dset/merge' mode, as the dset function checks for prototype pollution by validating if the top-level path contains __proto__, constructor or protorype. By crafting a malicious object, it is possible to…
- risk 0.00cvss 7.3epss 0.02
This affects the package nconf before 0.11.4. When using the memory engine, it is possible to store a nested JSON representation of the configuration. The .set() function, that is responsible for setting the configuration properties, is vulnerable to Prototype Pollution. By…