SOY CMS contains an issue with deserialization of untrusted data. An arbitrary code may be executed by an attacker with the web server privilege.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Tsuyoshi Saito SOY CMS unaffected
Version Status Constraints
0 affected ≤ 3.24.0

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN04485476/ cve-icon cve-icon
https://saitodev.co/article/7105 cve-icon cve-icon
History

Fri, 28 Aug 2026 09:15:00 +0000

Type Values Removed Values Added
Title Untrusted Deserialization in SOY CMS Allows Arbitrary Code Execution

Fri, 28 Aug 2026 07:30:00 +0000

Type Values Removed Values Added
Description SOY CMS contains an issue with deserialization of untrusted data. An arbitrary code may be executed by an attacker with the web server privilege.
Weaknesses CWE-502
References
Metrics cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-08-28T06:11:11.567Z

Reserved: 2026-08-24T04:26:30.527Z

Link: CVE-2026-78032

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-28T08:16:41.800

Modified: 2026-08-28T08:16:41.800

Link: CVE-2026-78032

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T09:00:10Z

Weaknesses