1. Home
  2. CVE Database
  3. CVE-2026-23736
HIGH · 7.3

CVE-2026-23736

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...

Vulnerability 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.

CVSS Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
LxsmnsycSeroval< 1.4.1

Related Weaknesses (CWE)

CWE-1321

References

FAQ

What is CVE-2026-23736?

CVE-2026-23736 is a vulnerability with a CVSS score of 7.3 (HIGH). 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...

How severe is CVE-2026-23736?

CVE-2026-23736 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-23736?

Check the references section above for vendor advisories and patch information. Affected products include: Lxsmnsyc Seroval.