Sonatype Nexus Repo 3 Config Overwrite via Task Properties
CVE-2026-17598 Published on August 7, 2026
Nexus Repository 3 - Improper Input Validation in Scheduled Task Configuration
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.
Vulnerability Analysis
CVE-2026-17598 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Mass Assignment Vulnerability?
The software receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.
CVE-2026-17598 has been classified to as a Mass Assignment vulnerability or weakness.
Products Associated with CVE-2026-17598
Want to know whenever a new CVE is published for Sonatype Nexus Repository Manager? stack.watch will email you.
Affected Versions
Sonatype Nexus Repository 3:- Version 3.91.0 and below 3.95.0 is affected.