What is CVE-2026-5189?

CVE-2026-5189 is a critical-severity vulnerability in Sonatype Nexus Repository, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-04-15.

How severe is CVE-2026-5189?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Sonatype Nexus Repository

CVE-2026-5189

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.

EPSS: 0.005 (43.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sonatype Nexus Repository — versions 3.0.0
Sonatype Nexus_repository_manager

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

103e4ec9-0a87-450b-af77-479448ddef11 (Release Notes, patch)
103e4ec9-0a87-450b-af77-479448ddef11 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-5189?: CVE-2026-5189 is a critical-severity vulnerability in Sonatype Nexus Repository, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-04-15.
How severe is CVE-2026-5189?: Critical severity. CVSS v3 base score is 9.8 out of 10.