Description
A missing authorization check in Nexus Repository 3's NuGet Components API upload path allows an account holding only repository read and browse privileges to upload and persist NuGet symbol packages (.snupkg) to a hosted repository, bypassing the write-permission check enforced for ordinary package uploads. Exploitation requires a hosted NuGet repository with Symbol Server enabled. If anonymous access is enabled, the built-in anonymous user holds read and browse privileges across all repositories by default, so this precondition can also be met without an authenticated account.
Published: 2026-10-15
Score: 7.1 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Thu, 15 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Description A missing authorization check in Nexus Repository 3's NuGet Components API upload path allows an account holding only repository read and browse privileges to upload and persist NuGet symbol packages (.snupkg) to a hosted repository, bypassing the write-permission check enforced for ordinary package uploads. Exploitation requires a hosted NuGet repository with Symbol Server enabled. If anonymous access is enabled, the built-in anonymous user holds read and browse privileges across all repositories by default, so this precondition can also be met without an authenticated account.
Title Nexus Repository 3 - Missing Authorization on NuGet Symbol Package Upload
First Time appeared Sonatype
Sonatype nexus Repository Manager
Weaknesses CWE-862
CPEs cpe:2.3:a:sonatype:nexus_repository_manager:3.95.0:*:*:*:*:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:3.95.1:*:*:*:*:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:3.95.2:*:*:*:*:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:3.95.3:*:*:*:*:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:3.95.4:*:*:*:*:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:3.96.0:*:*:*:*:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:3.96.1:*:*:*:*:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:3.96.2:*:*:*:*:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:3.96.3:*:*:*:*:*:*:*
Vendors & Products Sonatype
Sonatype nexus Repository Manager
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

Sonatype Nexus Repository Manager
cve-icon MITRE

Status: PUBLISHED

Assigner: Sonatype

Published:

Updated: 2026-10-15T16:11:49.937Z

Reserved: 2026-09-24T20:12:24.836Z

Link: CVE-2026-97665

cve-icon Vulnrichment

Updated: 2026-10-15T16:11:46.707Z

cve-icon NVD

Status : Received

Published: 2026-10-15T16:18:25.490

Modified: 2026-10-15T17:17:33.560

Link: CVE-2026-97665

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses