What is CVE-2026-97246?

CVE-2026-97246 is a medium-severity vulnerability in Shortpixel Image Optimizer, classified under Deserialization of Untrusted Data. CVSS score: 4.9/10. Published 2026-09-30.

How severe is CVE-2026-97246?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Deserialization in Shortpixel Image Optimizer

CVE-2026-97246

Subscriber PHP Object Injection in ShortPixel Image Optimizer <= 6.5.5 versions.

Vulnerability class: Insecure Deserialization

Published 2026-09-30 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Shortpixel Image Optimizer

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

patchstack.com/database/wordpress/plugin/shortpixel-image-optimiser/vulnerabili… (vdb-entry)

Frequently asked questions

What is CVE-2026-97246?: CVE-2026-97246 is a medium-severity vulnerability in Shortpixel Image Optimizer, classified under Deserialization of Untrusted Data. CVSS score: 4.9/10. Published 2026-09-30.
How severe is CVE-2026-97246?: Medium severity. CVSS v3 base score is 4.9 out of 10.