CVE-2026-5189
CWE-798Published: April 15, 2026· Updated: Apr 17, 2026
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.
Risk Analysis
This critical vulnerability in Sonatype Nexus Repository Manager allows an unauthenticated attacker to gain unauthorized read/write access to the internal database and execute arbitrary OS commands. This is due to the use of hard-coded credentials when the non-default nexus.orient.binaryListenerEnabled=true configuration is enabled. With a CVSS score of 9.2, this flaw poses a severe risk.
No public exploit is currently known for this vulnerability. The flaw is remotely exploitable with low attack complexity.
Disable the nexus.orient.binaryListenerEnabled configuration if it is not strictly necessary. Ensure that Nexus Repository Manager instances are properly secured and restrict network access.
Technical Analysis
CVE-2026-5189 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-798)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-5189 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts