CVE-2026-77123: Sonatype Nexus Repository Manager

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Nexus Repository 3 contains a sensitive information disclosure vulnerability in the capability read API. An account holding the nexus:capabilities:read privilege can retrieve the plaintext shared secret configured on a webhook capability, which is intended to be masked from all API responses. This issue affects Nexus Repository 3 versions 3.2.0 through 3.95.x, and is fixed in version 3.96.0.

Affected products

• Sonatype Nexus Repository Manager: from 3.2.0, before 3.96.0 (fixed in 3.96.0)

Published 2026-09-02. Last modified 2026-09-22.