Deserialization in Elated-Themes Aperitif

CVE-2026-39550

Deserialization of Untrusted Data vulnerability in Elated-Themes Aperitif allows Object Injection. This issue affects Aperitif: from n/a through 1.6.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-39550: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-39550?
CVE-2026-39550 is a high-severity vulnerability in Elated-Themes Aperitif, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-06-02.
How severe is CVE-2026-39550?
High severity. CVSS v3 base score is 8.1 out of 10.