CVE-2026-5189 Nexus Repository 3 - Hardcoded Credential in Internal Database Component
Unauthenticated attackers can exploit hardcoded credentials in the internal database to execute arbitrary commands and access data, requiring a specific non-default configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5189?
CVE-2026-5189 is a critical vulnerability in Sonatype Nexus Repository Manager, published on 15 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CWE-798: Use of Hard-coded Credentials in Sonatype Nexus Repository Manager versions 3.0.0 through 3.70.5 allows an unauthenticated attacker with network access to gain unauthorized read/write access to the internal database and execute arbitrary OS commands as the Nexus process user. Exploitation requires the non-default nexus.orient.binaryListenerEnabled=true configuration to be enabled.
Weakness: CWE-798
Which versions are affected by CVE-2026-5189?
It affects 1 product.
Products include Sonatype Nexus Repository Manager.
How do I fix CVE-2026-5189?
No fix has been published for CVE-2026-5189 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-5189 being exploited?
There is no known exploitation of CVE-2026-5189 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-2026-17601 Nexus Repository 3 - Wildcard Privilege Update Self-Escalation to Administrator
Sources
Also known as GHSA-4gcp-x7jh-x4v7.