Vulnerability · Published Aug 28, 2026 · Assigned by jpcert
CVE-2026-78032
Critical 9.8
In plain English
A critical-severity unsafe deserialization in SOY CMS from Tsuyoshi Saito. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)0.6%top 50.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Tsuyoshi Saito | SOY CMS | 0 – through 3.24.0 |
Weakness: CWE-502 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H