---
title: "seroval — CVE-2026-104846"
description: "An unsafe deserialisation flaw affects the npm package seroval. Affected versions: >= 0.12.0, <= 1.6.0. Fixed from version 1.6.2. CVSS score 9.8."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-05-cve-2026-104846
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-05
dateModified: 2026-10-05
---
# seroval — CVE-2026-104846

An unsafe deserialisation flaw affects the npm package seroval. Affected versions: >= 0.12.0, <= 1.6.0. Fixed from version 1.6.2. CVSS score 9.8.

## What to do

Update seroval to 1.6.2 or later.

| Fact | Value |
| --- | --- |
| Package | seroval |
| Ecosystem | npm (JavaScript) |
| Class | Unsafe deserialisation |
| Affected versions | >= 0.12.0, <= 1.6.0 |
| Fixed version | 1.6.2 |
| CVSS | 9.8 |
| CVE | CVE-2026-104846 |
| GHSA | GHSA-p6vx-979v-rg4c |
| Published on | October 5, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-p6vx-979v-rg4c](https://github.com/advisories/GHSA-p6vx-979v-rg4c) — GitHub Security Advisories
- [NVD — CVE-2026-104846](https://nvd.nist.gov/vuln/detail/CVE-2026-104846) — NVD

---

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