What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-07 · updated 2026-10-23
• Weakness: CWE-915

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.

Affected products

• Sonatype Nexus Repository 3: from 3.91.0 before 3.95.0 — fixed in 3.95.0

How to fix

Upgrade to a fixed version: Sonatype Nexus Repository 3 3.95.0. Check the vendor advisory for mitigations.

References

• https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html
• https://support.sonatype.com/hc/en-us/articles/53880086360211/

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