SB20260428184 - Remote code execution in serialize-javascript
Published: April 28, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Deserialization of Untrusted Data (CVE-ID: N/A)
CWE-ID: CWE-502 - Deserialization of Untrusted Data
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data passed via RegExp.flags and Date.prototype.toISOString(). A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Note, the vulnerability exists due to incomplete fix for #VU86835 (CVE-2020-7660).
Remediation
Install update from vendor's website.