Medium 4.3Published Oct 27, 2026

CVE-2026-117605nopCommerce before 5.00.0 Missing Authorization via Admin ProductController Add Popup Handlers

Updated under an hour ago (Oct 29, 2026, 1:30 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for nopSolutions nopCommerce

Exploited in the last 30 days

nopCommerce before 5.00.0 contains a missing authorization vulnerability in the admin ProductController RelatedProductAddPopup, CrossSellProductAddPopup and AssociatedProductAddPopup handlers that fail to verify parent product ownership. Authenticated vendors can submit another vendor's product id as model.ProductId to inject their products into the victim's related-products, cross-sell and grouped-product listings.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 28, 2026
First seen by InfoSec Signals: Oct 27, 2026

Affected products

Affected products

nopSolutions nopCommerce nopsolutions:nopcommerce (from the name)	before 5.00.0	CNA record

References

References

https://github.com/nopSolutions/nopCommerce/issues/8417	issue-tracking
https://github.com/nopSolutions/nopCommerce/commit/fbdbe18d43b42b7e269f7118cfc9533349ed2dc0	patch
https://github.com/nopSolutions/nopCommerce/blob/918444773367deb734b93d3ad80e17325d6c147a/src/Presentation/Nop.Web/Areas/Admin/Controllers/ProductController.cs#L1655-L1679	technical-description
https://github.com/nopSolutions/nopCommerce/releases/tag/release-5.00.0	release-notes
https://github.com/nopSolutions/nopCommerce	product
https://www.vulncheck.com/advisories/nopcommerce-before-5.00.0-missing-authorization-via-admin-productcontroller-add-popup-handlers	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.