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Tue, 12 May 2026 13:15:00 +0000
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ssvc
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Tue, 12 May 2026 09:30:00 +0000
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| Description | multiparty@4.2.3 and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property such as __proto__, constructor, or toString, the parser invokes .push() on the inherited prototype value rather than an array, throwing a TypeError that propagates as an uncaught exception and crashes the process. Impact: any service accepting multipart uploads via multiparty is affected. Workarounds: none. Upgrade to multiparty@4.3.0 or higher. | |
| Title | multiparty vulnerable to Denial of Service via Prototype Pollution leading to Uncaught Exception | |
| Weaknesses | CWE-1321 CWE-248 |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: openjs
Published:
Updated: 2026-05-12T12:32:10.127Z
Reserved: 2026-05-08T10:38:20.438Z
Link: CVE-2026-8161
Updated: 2026-05-12T12:32:04.313Z
Status : Awaiting Analysis
Published: 2026-05-12T10:16:48.987
Modified: 2026-05-12T15:08:22.857
Link: CVE-2026-8161
No data.
OpenCVE Enrichment
Updated: 2026-05-12T12:15:15Z