What is CVE-2026-78032?

CVE-2026-78032 is a critical-severity vulnerability in Tsuyoshi Saito Soy Cms, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-08-28.

How severe is CVE-2026-78032?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Tsuyoshi Saito Soy Cms

CVE-2026-78032

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

Vulnerability class: Insecure Deserialization

EPSS: 0.004 (34.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tsuyoshi Saito Soy Cms

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

vultures@jpcert.or.jp
vultures@jpcert.or.jp

Frequently asked questions

What is CVE-2026-78032?: CVE-2026-78032 is a critical-severity vulnerability in Tsuyoshi Saito Soy Cms, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-08-28.
How severe is CVE-2026-78032?: Critical severity. CVSS v3 base score is 9.8 out of 10.