---
id: CVE-2026-77123
title: >-
  Nexus Repository 3 contains a sensitive information disclosure vulnerability
  in the capability read API
summary: >-
  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…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-201
vendor: sonatype
product: nexus_repository_manager
affected:
  - 'nexus_repository_manager >= 3.2.0, < 3.96.0'
patched:
  - nexus_repository_manager 3.96.0
published: '2026-09-02'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T17:24:39.730'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-77123'
references:
  - url: >-
      https://help.sonatype.com/en/sonatype-nexus-repository-3-96-0-release-notes.html
    label: 103e4ec9-0a87-450b-af77-479448ddef11
  - url: 'https://support.sonatype.com/hc/en-us/articles/54639904174099/'
    label: 103e4ec9-0a87-450b-af77-479448ddef11
tags:
  - nvd
epss: 0.00455
epssPercentile: 0.36831
ingestedAt: '2026-09-08T20:10:03.160Z'
---

## Overview

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

- `nexus_repository_manager >= 3.2.0, < 3.96.0`

## Remediation

Upgrade past the affected range:

- `nexus_repository_manager 3.96.0`