PT-2026-90838

joi before versions 17.13.8 and 18.2.9 contains a prototype pollution vulnerability in the messages compilation function that accepts proto as an error code. Attackers can supply proto keys in custom messages to replace the returned object's prototype, breaking downstream code relying on...

CVE-2026-48170 scimPatch vulnerable to prototype pollution via unfiltered keys in patch

scim-patch, a library to perform SCIM patch, prior to version 0.9.1 performs prototype pollution when applying a SCIM PATCH operation whose value object contains a key like "proto.someProp". After one such patch, Object.prototype.someProp is set process-wide, affecting every plain object in the...

EUVD-2026-46082

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. A Prototype Pollution condition in the getQueryParam function /public/js/main.js and was addressed in version 1.8.139 by blocking URL query keys matching the pattern proto. However, this mitigation is incomplete: i...

CVE-2026-53592

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. A Prototype Pollution condition in the getQueryParam function /public/js/main.js and was addressed in version 1.8.139 by blocking URL query keys matching the pattern proto. However, this mitigation is incomplete: i...

CVE-2026-54639 Style Dictionary - Prototype Pollution in convertTokenData utility function

Style Dictionary, a build system for creating cross-platform styles, has a prototype pollution vulnerability starting in version 4.3.0 and prior to version 5.4.4. Impact users have: direct usage of convertTokenDatatokens, output: 'object' ;; indirect usage, via using Expand API; and/or indirect...

Prototype Pollution

Overview @mikro-orm/core is a TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript. Affected versions of this package are vulnerable to Prototype Pollution via the...

PT-2022-7147

Name of the Vulnerable Software and Affected Versions json5 versions 1.0.1 and earlier json5 versions 2.2.1 and earlier Description The parse method of the json5 library does not restrict parsing of keys named proto , allowing specially crafted strings to pollute the prototype of the resulting...