CVE-2026-17598 Nexus Repository 3 - Improper Input Validation in Scheduled Task Configuration
An attacker with task creation permissions can overwrite unrelated scheduled task configurations by injecting internal keys into task properties.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-17598?
CVE-2026-17598 is a medium-severity vulnerability in Sonatype Nexus Repository Manager, published on 7 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-915
Which versions are affected by CVE-2026-17598?
It affects 1 product.
Products include Sonatype Nexus Repository Manager.
How do I fix CVE-2026-17598?
Apply the vendor's patch.
Is CVE-2026-17598 being exploited?
There is no known exploitation of CVE-2026-17598 in the wild and no public exploit code.
Other vulnerabilities in Sonatype Nexus Repository Manager
- CVE-2019-7238 Sonatype Nexus Repository Manager Incorrect Access Control
- CVE-2019-9629 Hardcoded credentials in n/a
- CVE-2017-17717 Hardcoded credentials in n/a
- CVE-2026-3199 Nexus Repository 3 - Authenticated Remote Code Execution via Task Property Injection
- CVE-2026-5189 Nexus Repository 3 - Hardcoded Credential in Internal Database Component
Sources
Also known as GHSA-m4g7-vv6g-5mpc, MINI-7w9v-28jm-xqwm, MINI-pwh6-8m2j-3r5m.