CVE-2026-49250

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of object.property. From 1.8.0 until 1.19.4, the parseSubmission future API in packages/conform-dom/formdata.ts repeatedly scans FormData or URLSearchParams entries by each unique field name. An...

EUVD-2026-77679

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of object.property. From 1.8.0 until 1.19.4, the parseSubmission future API in packages/conform-dom/formdata.ts repeatedly scans FormData or URLSearchParams entries by each unique field name. An...

CVE-2026-49250 Conform: parseSubmission vulnerable to CPU exhaustion when parsing many unique form fields

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of object.property. From 1.8.0 until 1.19.4, the parseSubmission future API in packages/conform-dom/formdata.ts repeatedly scans FormData or URLSearchParams entries by each unique field name. An...

CVE-2026-49250

Conform (a type-safe form validation library for JavaScript/TypeScript) contains a CPU exhaustion vulnerability in the parseSubmission future API (packages/conform-dom/formdata.ts). From version 1.8.0 through 1.19.3 , the parser repeatedly scans FormData or URLSearchParams entries for each unique...

@conform-to/react (>=1.8.0, <=1.19.3), @conform-to/valibot (>=1.8.0, <=1.19.3) +4 more potentially affected by CVE-2026-49250 via @conform-to/dom (>=1.8.0, <=1.19.3)

@conform-to/dom NPM version =1.8.0, =1.8.0, =1.8.0, =1.8.0, =1.8.0, =1.17.1-depup.0, =1.17.1-depup.0, =1.18.0-depup.0 Source cves: CVE-2026-49250 Source advisory: SNYK:JS-CONFORMTODOM-17812748...

GHSA-525M-7F82-2MF7 @conform-to/dom parseSubmission vulnerable to CPU exhaustion when parsing many unique form fields

A CPU exhaustion vulnerability exists in Conform's parseSubmission future API when parsing FormData or URLSearchParams submissions with many unique field names. The parser previously looked up values by field name, which could require repeated scans of the submitted entries and cause excessive...

@conform-to/react (>=1.8.0, <=1.19.3), @conform-to/valibot (>=1.8.0, <=1.19.3) +4 more potentially affected by CVE-2026-49250 via @conform-to/dom (>=1.8.0, <=1.19.3)

@conform-to/dom NPM version =1.8.0, =1.8.0, =1.8.0, =1.8.0, =1.8.0, =1.17.1-depup.0, =1.17.1-depup.0, =1.18.0-depup.0 Source cves: CVE-2026-49250 Source advisory: OSV:GHSA-525M-7F82-2MF7...

PT-2026-55448

A CPU exhaustion vulnerability exists in Conform's parseSubmission future API when parsing FormData or URLSearchParams submissions with many unique field names. The parser previously looked up values by field name, which could require repeated scans of the submitted entries and cause excessive...

CVE-2024-32866

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of object.property. Due to an improper implementation of this feature in versions prior to 1.1.1, an attacker can exploit the feature to trigger prototype pollution by passing a crafted input to...

Prototype Pollution

Conform is vulnerable to prototype pollution. The vulnerability is due to the nested object parsing, allowing attackers to trigger prototype pollution by passing crafted input to parseWith functions. Applications using Conform for server-side validation of form data or URL parameters are affected...

Conform contains a Prototype Pollution Vulnerability in `parseWith...` function

Summary Conform allows the parsing of nested objects in the form of object.property. Due to an improper implementation of this feature, an attacker can exploit it to trigger prototype pollution by passing a crafted input to parseWith... functions. PoC javascript const parseWithZod =...

@conform-to/react (>=1.0.0-pre.0, <=1.1.0), @conform-to/zod (>=1.0.0-pre.3, <=1.1.0) potentially affected by CVE-2024-32866 via @conform-to/dom (>=1.0.0, <=1.1.0-pre.0)

@conform-to/dom NPM version =1.0.0, =1.0.0-pre.0, =1.0.0-pre.3, =1.1.0 Source cves: CVE-2024-32866 Source advisory: OSV:GHSA-624G-8QJG-8QXF...

@kentcdodds/workshop-app (>=1.41.0, <=1.46.7), remix-server-kit (>=3.0.0-beta1, <=3.0.0-beta4) potentially affected by CVE-2024-32866 via @conform-to/zod (>=0.5.1, <=0.7.4)

@conform-to/zod NPM version =0.5.1, =1.41.0, =3.0.0-beta1, =3.0.0-beta4 Source cves: CVE-2024-32866 Source advisory: OSV:GHSA-624G-8QJG-8QXF...

@conform-to/react (>=0.1.0, <=0.9.1), @kentcdodds/workshop-app (>=1.41.0, <=1.46.7) +1 more potentially affected by CVE-2024-32866 via @conform-to/dom (>=0.1.0, <=0.9.1)

@conform-to/dom NPM version =0.1.0, =0.1.0, =1.41.0, =3.0.0-beta1, =3.0.0-beta4 Source cves: CVE-2024-32866 Source advisory: OSV:GHSA-624G-8QJG-8QXF...

GHSA-624G-8QJG-8QXF Conform contains a Prototype Pollution Vulnerability in `parseWith...` function

Summary Conform allows the parsing of nested objects in the form of object.property. Due to an improper implementation of this feature, an attacker can exploit it to trigger prototype pollution by passing a crafted input to parseWith... functions. PoC javascript const parseWithZod =...

CVE-2024-32866

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of object.property. Due to an improper implementation of this feature in versions prior to 1.1.1, an attacker can exploit the feature to trigger prototype pollution by passing a crafted input to...

CVE-2024-32866

CVE-2024-32866 concerns Conform, a type-safe form validation library. The issue enables prototype pollution through parsing of nested objects (object.property) in parseWith… functions due to an improper implementation in versions prior to 1.1.1. This affects server-side validation of form data or...

CVE-2024-32866 Conform contains Prototype Pollution Vulnerability in `parseWith...` function

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of object.property. Due to an improper implementation of this feature in versions prior to 1.1.1, an attacker can exploit the feature to trigger prototype pollution by passing a crafted input to...

CVE-2024-32866 Conform contains Prototype Pollution Vulnerability in `parseWith...` function

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of object.property. Due to an improper implementation of this feature in versions prior to 1.1.1, an attacker can exploit the feature to trigger prototype pollution by passing a crafted input to...

CVE-2024-32866 Conform contains Prototype Pollution Vulnerability in `parseWith...` function

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of object.property. Due to an improper implementation of this feature in versions prior to 1.1.1, an attacker can exploit the feature to trigger prototype pollution by passing a crafted input to...