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CVE-2026-113368— Nexus Repository 3 - Group Repository Member Authorization Bypass

Quick assessment

Affected
Sonatype Nexus Repository 3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sonatype Nexus Repository 3 在将某个仓库添加为组仓库的成员之前，未验证用户账户是否有权访问该仓库。任何已使用有效凭据登录、且拥有对组仓库的“添加”或“编辑”权限的用户账户，均可将自身无法读取或浏览的仓库添加至该组，随后通过该组仓库读取其内容。匿名用户仅当管理员已明确授予其相应权限时，才具备此能力。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-113368

Vulnerability Information
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Vulnerability Title
Nexus Repository 3 - Group Repository Member Authorization Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Sonatype Nexus Repository 3 does not check that a user account is authorized to access a repository before the repository is added as a member of a group repository. A user account that has signed in with valid credentials and holds the add or edit privilege on a group repository can add a repository that the account cannot read or browse, and then read the content of that repository through the group. The anonymous user can only do this if an administrator has explicitly granted it that privilege.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sonatype Nexus Repository 3 3.0.0 ~ 3.98.0 cpe:2.3:a:sonatype:nexus_repository_manager:3.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-113368

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III. Intelligence Information for CVE-2026-113368

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Other References for CVE-2026-113368 (2)

Same Patch Batch · Sonatype · 2026-11-04 · 7 CVEs total

CVE-2026-113373 9.1 CRITICAL Nexus Repository 3 - Disabled or Locked Single Sign-On Users Can Sign In Again
CVE-2026-113374 8.6 HIGH Nexus Repository 3 - Privilege Escalation via Rut Auth Capability Creation
CVE-2026-113370 7.7 HIGH Nexus Repository 3 - SQL Injection in Reindex Search by Pattern Task
CVE-2026-113372 7.1 HIGH Nexus Repository 3 - Insufficiently Protected Credentials in YUM Repository Signing Key
CVE-2026-113371 7.1 HIGH Nexus Repository 3 - Insufficiently Protected Credentials in Repository Signing Passphrase
CVE-2026-113369 6.3 MEDIUM Nexus Repository 3 - Stored Cross-Site Scripting in OCI Attestations Tab

IV. Related Vulnerabilities

Same product: Nexus Repository 3
Same vendor: Sonatype
Same weakness: CWE-862