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CVE-2026-14504— Nexus Repository 3 - Authorization Bypass in Component Upload API

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 manager是美国Sonatype公司开源的一个软件仓库管理平台。 Sonatype Nexus Repository Manager 3 3.88.0版本至3.93.2版本存在授权问题漏洞，该漏洞源于组件上传API中的授权绕过问题，可能导致仅有Swift、Terraform或Conda托管仓库读/浏览权限的用户上传任意工件，绕过预期的写权限检查。

AI Predicted 9.8 Difficulty: Easy EPSS 0.22% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
Sonatype Nexus Repository 3 3.88.0< 3.94.0 affected
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I. Basic Information for CVE-2026-14504

Vulnerability Information
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Vulnerability Title
Nexus Repository 3 - Authorization Bypass in Component Upload API
Source: CVE Program / CVE List V5
Vulnerability Description
An authorization bypass in Nexus Repository 3's component upload API allowed a user with only read/browse privileges on a Swift, Terraform, or Conda hosted repository to upload arbitrary artifacts, bypassing the intended write-permission check.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/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
Vulnerability Title
Sonatype Nexus Repository Manager 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonatype nexus repository manager是美国Sonatype公司开源的一个软件仓库管理平台。 Sonatype Nexus Repository Manager 3 3.88.0版本至3.93.2版本存在授权问题漏洞，该漏洞源于组件上传API中的授权绕过问题，可能导致仅有Swift、Terraform或Conda托管仓库读/浏览权限的用户上传任意工件，绕过预期的写权限检查。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sonatype Nexus Repository 3 3.88.0 ~ 3.94.0 cpe:2.3:a:sonatype:nexus_repository_manager:3.88.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14504

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III. Intelligence Information for CVE-2026-14504

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Vendor Advisories for CVE-2026-14504 (1)

Vendor Pages for CVE-2026-14504 (1)

Same Patch Batch · Sonatype · 2026-07-14 · 5 CVEs total

CVE-2026-11403 Nexus Repository Manager - Insufficient Entropy in Format-Specific API Key Generation
CVE-2026-7494 Nexus Repository - SSRF in SSL Certificate Retrieval
CVE-2026-14645 Nexus Repository 3 - Server-Side Request Forgery (SSRF) via Webhook: Global Capability
CVE-2026-14646 Nexus Repository 3 - Server-Side Request Forgery (SSRF) via HTTP Redirect

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-14504

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