seroval Affected by Prototype Pollution via JSON Deserialization
Due to improper input validation, a malicious object key can lead to prototype pollution during JSON deserialization. This affects only JSON deserialization functionality.
As there is no known workaround, please upgrade to the latest version.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | seroval | < 1.4.1 | 1.4.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L- Weakness (CWE)
CWE-1321- Platform
- npm
- Package
seroval- Disclosed
- 21.01.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-hj76-42vx-jwp4 - CC BY 4.0
Vulnerability history: seroval
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 8
- First → latest
- 01.2026 10.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 6
Disclosures per year
- 2026: 8
-
seroval Affected by Prototype Pollution via JSON Deserialization this entry
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