Kurz gesagt
- CVE-2026-23736 ist eine Schwachstelle (KRITISCH (CVSS 9.8)) in seroval (lxsmnsyc), seroval.
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.30%, höher als bei 23.0% aller Schwachstellen.
- Abhilfe: auf 1.4.1 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| seroval | < 1.4.1
| 1.4.1
|
| seroval npm | < 1.4.1
| 1.4.1
|
Description
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.
NVD description
seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, due to improper input validation, a malicious object key can lead to prototype pollution during JSON deserialization. This vulnerability affects only JSON deserialization functionality. This issue is fixed in version 1.4.1.
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