CVE-2026-17603— Nexus Repository 3 - HikariCP connectionInitSql Injection RCE via DataStore Configuration 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公司的一个软件仓库管理平台。 Sonatype Nexus Repository Manager 3 3.20.0至3.95.0之前版本存在代码注入漏洞，该漏洞源于未充分限制通过DataStore配置API设置HikariCP连接池属性，具有nx-datastores-update权限的用户可设置connectionInitSql属性执行任意SQL，在默认H2数据库后端可能导致远程代码执行。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Sonatype | Nexus Repository 3 | 3.20.0< 3.95.0 |
affected |
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I. Basic Information for CVE-2026-17603
Vulnerability Information
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Vulnerability Title
Nexus Repository 3 - HikariCP connectionInitSql Injection RCE via DataStore Configuration API
Source: CVE Program / CVE List V5
Vulnerability Description
Nexus Repository 3 did not sufficiently restrict which HikariCP connection-pool properties could be set through the DataStore configuration API. A user holding the nx-datastores-update permission could set the connectionInitSql property to execute arbitrary SQL against the configured database on every new connection. On the default H2 database backend, this could be leveraged to achieve remote code execution as the Nexus process user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Sonatype Nexus Repository Manager 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonatype Nexus Repository Manager是美国Sonatype公司的一个软件仓库管理平台。 Sonatype Nexus Repository Manager 3 3.20.0至3.95.0之前版本存在代码注入漏洞，该漏洞源于未充分限制通过DataStore配置API设置HikariCP连接池属性，具有nx-datastores-update权限的用户可设置connectionInitSql属性执行任意SQL，在默认H2数据库后端可能导致远程代码执行。
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 | 3.20.0 ~ 3.95.0 |
cpe:2.3:a:sonatype:nexus_repository_manager:3.20.0:*:*:*:*:*:*:*
|
|
II. Public POCs for CVE-2026-17603
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-17603 (1)
Vendor Pages for CVE-2026-17603 (1)
Same Patch Batch · Sonatype · 2026-08-07 · 11 CVEs total
| CVE-2026-17601 | 8.9 HIGH | Nexus Repository 3 - Wildcard Privilege Update Self-Escalation to Administrator |
| CVE-2026-17600 | 8.7 HIGH | Nexus Repository 3 - Session Not Invalidated on User Account Deletion or Deactivation |
| CVE-2026-14644 | 8.6 HIGH | Nexus Repository 3 - Privilege Escalation |
| CVE-2026-17594 | 8.2 HIGH | Nexus Repository 3 - Authorization Bypass in Repository Creation |
| CVE-2026-17593 | 7.2 HIGH | Nexus Repository - Arbitrary Class Instantiation via Unsafe Realm Configuration |
| CVE-2026-17599 | 6.9 MEDIUM | Nexus Repository 3 - Unverified Onboarding State on change-admin-password Endpoint |
| CVE-2026-17596 | 6.3 MEDIUM | Nexus Repository 3 - Stored Cross-Site Scripting (XSS) via Blob Store Name |
| CVE-2026-17598 | 5.3 MEDIUM | Nexus Repository 3 - Improper Input Validation in Scheduled Task Configuration |
| CVE-2026-17595 | 5.3 MEDIUM | Nexus Repository 3 - JEXL Content Selector Sandbox Property-Read Bypass |
| CVE-2026-17597 | 5.1 MEDIUM | Nexus Repository 3 - Server-Side Request Forgery via Email Configuration Verification |
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V. Comments for CVE-2026-17603
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