CVE-2026-46510

form-data-objectizer converts FormData to object. Prior to 1.0.1, form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate...

CVE-2026-46510

form-data-objectizer converts FormData to object. Prior to 1.0.1, form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate...

CVE-2026-46510

CVE-2026-46510 affects form-data-objectizer

EUVD-2026-33321

form-data-objectizer converts FormData to object. Prior to 1.0.1, form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate...

CVE-2026-46510 Prototype pollution in form-data-objectizer via bracket-notation form keys

form-data-objectizer converts FormData to object. Prior to 1.0.1, form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate...

CVE-2026-46510 Prototype pollution in form-data-objectizer via bracket-notation form keys

form-data-objectizer converts FormData to object. Prior to 1.0.1, form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate...

CVE-2026-46510 Prototype pollution in form-data-objectizer via bracket-notation form keys

form-data-objectizer converts FormData to object. Prior to 1.0.1, form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate...

CVE-2026-46510: Improperly Controlled Modification of Object Prototype Attributes

form-data-objectizer converts FormData to object. Prior to 1.0.1, form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate...

Prototype Pollution

Overview form-data-objectizer is a js const FormDataObjectizer = require"form-data-objectizer" const formData = new FormData Affected versions of this package are vulnerable to Prototype Pollution through bracket-notation form key parsing in treatInitial and treatSecond in index.cjs. An attacker...

NPM: form-data-objectizer: Prototype pollution in form-data-objectizer via bracket-notation form keys

NPM: form-data-objectizer: Prototype pollution in form-data-objectizer via bracket-notation form keys vulnerability discovered by ? in WordPress Npm form-data-objectizer versions = 1.0.0...

GHSA-M2HG-WJQ3-28WQ form-data-objectizer: Prototype pollution in form-data-objectizer via bracket-notation form keys

Summary form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate Object.prototype, which is a prototype pollution primitive of th...

form-data-objectizer: Prototype pollution in form-data-objectizer via bracket-notation form keys

Summary form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate Object.prototype, which is a prototype pollution primitive of th...

@kaspernj/api-maker (>=1.0.68, <=1.0.2174), @kaspernj/api-maker-bootstrap (>=1.0.40, <=1.0.216) +3 more potentially affected by CVE-2026-46510 via form-data-objectizer (1.0.2)

form-data-objectizer NPM version 1.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on form-data-objectizer and may be impacted: - @kaspernj/api-maker =1.0.68, =1.0.40, =1.0.14, =1.0.0, =0.1.0, =0.1.2 Source cves: CVE-2026-46510 Source advisory:...

PT-2026-41696

Name of the Vulnerable Software and Affected Versions form-data-objectizer versions prior to 1.0.1 Description The software fails to filter proto , constructor, or prototype when converting FormData to objects using bracket-notation form keys. An attacker can submit a single HTTP form field with ...

CVE-2026-46510

creationtimestamp| type| source ---|---|--- 2026-05-11 16:10:55+00:00| published-proof-of-concept| https://github.com/kaspernj/form-data-objectizer/security/advisories/GHSA-m2hg-wjq3-28wq 2026-05-29 15:00:35+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mmyshpa7fd2v...