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CVE-2026-113369— Nexus Repository 3 - Stored Cross-Site Scripting in OCI Attestations Tab

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 存在一个安全漏洞：任何拥有托管 OCI 仓库编辑权限（即可向该仓库推送清单）的用户账户，均可在 OCI 清单的“工件类型”（artifact type）字段中存储脚本内容。当其他用户通过浏览界面（Browse UI）打开相关镜像的“声明”（Attestations）选项卡时，该脚本将在其浏览器中执行，且执行权限与查看该选项卡的用户权限一致。

CVSS 6.3 · Medium
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I. Basic Information for CVE-2026-113369

Vulnerability Information
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Vulnerability Title
Nexus Repository 3 - Stored Cross-Site Scripting in OCI Attestations Tab
Source: CVE Program / CVE List V5
Vulnerability Description
Sonatype Nexus Repository 3 allows a user account that can push manifests to a hosted OCI repository (a user account that holds the edit permission on that repository) to store script content in the artifact type field of an OCI manifest. The script runs in the browser of a user who opens the Attestations tab for the related image in the Browse user interface, with the permissions of the viewing user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sonatype Nexus Repository 3 3.94.0 ~ 3.98.0 cpe:2.3:a:sonatype:nexus_repository_manager:3.94.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-113369

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III. Intelligence Information for CVE-2026-113369

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Other References for CVE-2026-113369 (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-2026-113368 5.3 MEDIUM Nexus Repository 3 - Group Repository Member Authorization Bypass

IV. Related Vulnerabilities

Same product: Nexus Repository 3
Same vendor: Sonatype
Same weakness: CWE-79