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CVE-2026-23736

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CVE-2026-23736

Published: Jan 21, 2026

Modified: Jan 22, 2026

PUBLISHED

CVSS v3.1

7.3

HIGH

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.

VendorProductVersions

lxsmnsyc

seroval

affected
< 1.4.1

Weaknesses (CWE)

CWE-1321

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

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