CVE-2026-78032: Deserialization of untrusted data in Tsuyoshi Saito SOY CMS
Description
SOY CMS has a critical vulnerability involving deserialization of untrusted data that allows an attacker to execute arbitrary code with web server privileges. This vulnerability has a CVSS score of 9.8, indicating a high severity with network attack vector, no required privileges or user interaction, and full impact on confidentiality, integrity, and availability. No patch or official remediation guidance is currently available. There are no known exploits in the wild at this time.
CVSS v3.0
Score 9.8critical
Affected software
Tsuyoshi Saito
SOY CMS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78032 describes a deserialization vulnerability in SOY CMS developed by Tsuyoshi Saito. The flaw allows an attacker to send crafted data that is deserialized by the application without proper validation, leading to arbitrary code execution with the privileges of the web server process. The vulnerability is remotely exploitable without authentication or user interaction and has a critical CVSS 3.0 base score of 9.8. No affected versions or patch information are provided in the available data.
Potential Impact
Successful exploitation results in arbitrary code execution on the server hosting SOY CMS, compromising confidentiality, integrity, and availability of the system. The attacker gains the same privileges as the web server, potentially leading to full system compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider restricting access to the SOY CMS application and monitoring for suspicious activity related to deserialization inputs.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-08-24T04:26:30.527Z
- Cvss Version
- 3.0
- State
- PUBLISHED
Threat ID: 6a913ad4acd9273b4992fa5d
Added to database: 08/28/2026, 07:37:56 UTC
Last enriched: 09/08/2026, 09:37:27 UTC
Last updated: 10/13/2026, 18:48:23 UTC
Views: 87
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