CVE-2026-66378: CWE-862 Missing Authorization in jfrog artifactory
An authenticated user without repository read permission may access private NuGet metadata under specific conditions.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-66378) allows an authenticated user lacking repository read permissions to access private NuGet metadata under certain conditions. The weakness is classified under CWE-862 (Missing Authorization). The impact is limited to confidentiality as only metadata can be accessed, with no integrity or availability impact. There is no information on affected versions or vendor-provided patches. The CVSS v3.1 base score is 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N), reflecting a network attack vector with low complexity and requiring low privileges but no user interaction.
Potential Impact
The impact is limited to unauthorized disclosure of private NuGet metadata. There is no impact on data integrity or system availability. The vulnerability requires authentication but bypasses repository read permission checks, potentially exposing sensitive metadata information to unauthorized users.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. In the absence of an official fix, restrict access to authenticated users carefully and monitor for unusual access patterns. Follow vendor updates for any forthcoming patches or mitigations.
CVE-2026-66378: CWE-862 Missing Authorization in jfrog artifactory
Description
An authenticated user without repository read permission may access private NuGet metadata under specific conditions.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-66378) allows an authenticated user lacking repository read permissions to access private NuGet metadata under certain conditions. The weakness is classified under CWE-862 (Missing Authorization). The impact is limited to confidentiality as only metadata can be accessed, with no integrity or availability impact. There is no information on affected versions or vendor-provided patches. The CVSS v3.1 base score is 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N), reflecting a network attack vector with low complexity and requiring low privileges but no user interaction.
Potential Impact
The impact is limited to unauthorized disclosure of private NuGet metadata. There is no impact on data integrity or system availability. The vulnerability requires authentication but bypasses repository read permission checks, potentially exposing sensitive metadata information to unauthorized users.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. In the absence of an official fix, restrict access to authenticated users carefully and monitor for unusual access patterns. Follow vendor updates for any forthcoming patches or mitigations.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-9pg7-45vf-fg47
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-66378"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a7c9b20bf8831d539cda403
Added to database: 08/12/2026, 16:11:12 UTC
Last enriched: 08/12/2026, 16:30:17 UTC
Last updated: 09/25/2026, 01:47:44 UTC
Views: 33
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.