CVE-2026-66378
Received Received - Intake

Authenticated Access to Private NuGet Metadata

Publication date: 2026-08-12

Last updated on: 2026-08-12

Assigner: JFrog

Description
An authenticated user without repository read permission may access private NuGet metadata under specific conditions.

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Meta Information

Published
2026-08-12
Last Modified
2026-08-12
Generated
2026-08-12
AI Q&A
2026-08-12
EPSS Evaluated
N/A
NVD
CVE-2026-66378
EUVD
EUVD-2026-57247

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This vulnerability allows an authenticated user without repository read permission to access private NuGet metadata under specific conditions. It involves improper access control where unauthorized users can retrieve sensitive package information.

Impact Analysis

An attacker could exploit this to gather details about private NuGet packages, potentially leading to intellectual property theft or further attacks if metadata contains sensitive data like dependencies or versions.

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