Vulnerability · Published Oct 19, 2026 · Assigned by VulDB

CVE-2026-112044dotnet eShop Catalog API Extensions.cs AddApplicationServices improper authentication

High 7.3

In plain English

A high-severity improper authentication in eShop from dotnet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.4%top 65.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in dotnet eShop up to 913acea66708a59595351174cee9b29f37179d29. The affected element is the function AddApplicationServices of the file src/Catalog.API/Extensions/Extensions.cs of the component Catalog API. The manipulation leads to improper authentication. The attack can be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

Vendor	Product	Versions
dotnet	eShop	913acea66708a59595351174cee9b29f37179d29

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

References

VDB-421692 | dotnet eShop Catalog API Extensions.cs AddApplicationServices improper authentication vdb-entry, technical-description
VDB-421692 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-112044 | CVE Analysis and Report third-party-advisory
Submit #1009026 | https://github.com/dotnet/ eShop .NET 8 Improper Authentication third-party-advisory
https://github.com/dotnet/eShop/issues/997 issue-tracking
https://github.com/dotnet/eShop/ product