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CVE-2026-17598— Nexus Repository 3 - Improper Input Validation in Scheduled Task Configuration

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是美国Sonatype公司的一个集中存储、管理和分发软件包、二进制文件、容器镜像、构建制品及AI模型的制品仓库管理平台。 Sonatype Nexus Repository 3 3.91.0版本至3.95.0之前版本存在输入验证错误漏洞，该漏洞源于未正确过滤用户提供的任务属性中的内部配置密钥，可能导致拥有计划任务创建权限的账户通过管理界面覆盖其他现有任务的配置。

CVSS 5.3 · Medium EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1491.001 · Internal Defacement

Affected Version Matrix 1

VendorProduct Version RangeStatus
Sonatype Nexus Repository 3 3.91.0< 3.95.0 affected
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I. Basic Information for CVE-2026-17598

Vulnerability Information
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Vulnerability Title
Nexus Repository 3 - Improper Input Validation in Scheduled Task Configuration
Source: CVE Program / CVE List V5
Vulnerability Description
Sonatype Nexus Repository 3 did not properly filter internal configuration keys from user-supplied task properties when creating or updating a scheduled task through the administrative UI. An account holding permission to create at least one scheduled task type could supply a crafted property value that caused the system to overwrite the configuration of an unrelated, existing task instead of creating a new one.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-915
Source: CVE Program / CVE List V5
Vulnerability Title
Sonatype Nexus Repository 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonatype Nexus Repository是美国Sonatype公司的一个集中存储、管理和分发软件包、二进制文件、容器镜像、构建制品及AI模型的制品仓库管理平台。 Sonatype Nexus Repository 3 3.91.0版本至3.95.0之前版本存在输入验证错误漏洞，该漏洞源于未正确过滤用户提供的任务属性中的内部配置密钥，可能导致拥有计划任务创建权限的账户通过管理界面覆盖其他现有任务的配置。
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 3.91.0 ~ 3.95.0 cpe:2.3:a:sonatype:nexus_repository_manager:3.91.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-17598

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III. Intelligence Information for CVE-2026-17598

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Vendor Pages for CVE-2026-17598 (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-2026-17603 8.7 HIGH Nexus Repository 3 - HikariCP connectionInitSql Injection RCE via DataStore Configuration
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-2026-17595 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

IV. Related Vulnerabilities

Same product: Nexus Repository 3
Same vendor: Sonatype
Same weakness: CWE-915

V. Comments for CVE-2026-17598

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