What is CVE-2026-23959?

CVE-2026-23959 is a medium-severity vulnerability in Coreshop, classified under CWE-564. CVSS score: 4.9/10. Published 2026-01-22.

How severe is CVE-2026-23959?

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

Vulnerability in Coreshop

CVE-2026-23959

CoreShop is a Pimcore enhanced eCommerce solution. An error-based SQL Injection vulnerability was identified in versions prior to 4.1.9 in the `CustomerTransformerController` within the CoreShop admin panel. The affected endpoint improperly interpolates user-supplied input into a SQL query, leading to database error disclosure and potential data extraction. Version 4.1.9 fixes the issue.

Published 2026-01-22 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.004 (35.5th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000

Affected products

Coreshop — versions < 4.1.9

Weakness classification (CWE)

CWE-564

References

github.com/coreshop/CoreShop/security/advisories/GHSA-fqcv-8859-86x2 (Vendor Advisory)
github.com/coreshop/CoreShop/commit/af80b8f5c7df5f02f44e9c5e0a4a564de274eec2 (Patch)
github.com/coreshop/CoreShop/releases/tag/4.1.9 (Release Notes)

Frequently asked questions

What is CVE-2026-23959?: CVE-2026-23959 is a medium-severity vulnerability in Coreshop, classified under CWE-564. CVSS score: 4.9/10. Published 2026-01-22.
How severe is CVE-2026-23959?: Medium severity. CVSS v3 base score is 4.9 out of 10.