Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| open-circle | valibot | affected |
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| Vendors | Products |
|---|---|
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Open-circle
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Valibot
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| Source | ID | Title |
|---|---|---|
 Github GHSA |
GHSA-5qjj-4xww-7phc | Valibot: record() issue paths can make flatten() throw for inherited Object property names |
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Thu, 30 Jul 2026 08:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Open-circle
Open-circle valibot |
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| Vendors & Products |
Open-circle
Open-circle valibot |
Thu, 30 Jul 2026 01:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Valibot helps validate data using a schema. Versions prior to 1.4.2 can throw a TypeError inside its flatten() helper when validation issues contain attacker-controlled object keys such as toString, valueOf, or hasOwnProperty. The issue is reachable through normal record() validation. record() intentionally filters __proto__, prototype, and constructor, but it still accepts other own keys that collide with inherited Object.prototype properties. If the record key schema or value schema rejects such an entry, Valibot creates an issue path containing that key. Passing the resulting issues to Valibot's documented flatten() helper causes flatErrors.nested[dotPath] to resolve to the inherited method instead of an own error array, and the helper calls .push(...) on that function. This is not a global prototype pollution issue. The impact is availability/error handling: applications that validate user-controlled objects with record() and flatten validation errors for API responses can crash the request path with a TypeError instead of returning structured validation errors. This issue has been fixed in version 1.4.2. | |
| Title | Valibot: record() issue paths can make flatten() throw for inherited Object property names | |
| Weaknesses | CWE-755 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-07-30T00:10:32.598Z
Reserved: 2026-07-07T18:49:15.607Z
Link: CVE-2026-59952
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
Updated: 2026-07-30T08:00:13Z