What is CVE-2026-39578?

CVE-2026-39578 is a medium-severity vulnerability in Elated-themes Valiance, classified under Deserialization of Untrusted Data. CVSS score: 5.5/10. Published 2026-06-17.

How severe is CVE-2026-39578?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Deserialization in Elated-themes Valiance

CVE-2026-39578

Unauthenticated PHP Object Injection in Valiance <= 1.2 versions.

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Elated-themes Valiance — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-39578?: CVE-2026-39578 is a medium-severity vulnerability in Elated-themes Valiance, classified under Deserialization of Untrusted Data. CVSS score: 5.5/10. Published 2026-06-17.
How severe is CVE-2026-39578?: Medium severity. CVSS v3 base score is 5.5 out of 10.