8.2
HIGH CVSS 4.0
CVE-2026-14504
Nexus Repository 3 - Authorization Bypass in Component Upload API
Description

An authorization bypass in Nexus Repository 3's component upload API allowed a user with only read/browse privileges on a Swift, Terraform, or Conda hosted repository to upload arbitrary artifacts, bypassing the intended write-permission check.

INFO

Published Date :

July 14, 2026, 4:16 p.m.

Last Modified :

July 14, 2026, 4:16 p.m.

Remotely Exploit :

Yes !

Source :

103e4ec9-0a87-450b-af77-479448ddef11
Affected Products

The following products are affected by CVE-2026-14504 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 HIGH 103e4ec9-0a87-450b-af77-479448ddef11
CVSS 4.0 HIGH 103e4ec9-0a87-450b-af77-479448ddef11
Solution
Update Nexus Repository 3 to resolve an authorization bypass vulnerability in component upload.
  • Apply the latest security patch for Nexus Repository 3.
  • Review and enforce access controls for repository uploads.
  • Verify component upload permissions after applying updates.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-14504.

URL Resource
https://help.sonatype.com/en/sonatype-nexus-repository-3-94-0-release-notes.html
https://support.sonatype.com/hc/en-us/articles/53137654741907
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-14504 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-14504 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-14504 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-14504 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 103e4ec9-0a87-450b-af77-479448ddef11

    Jul. 14, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:sonatype:nexus_repository_manager:3.88.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.89.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.90.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.90.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.90.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.90.3:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.90.4:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.91.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.91.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.92.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.92.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.92.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.92.3:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.93.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.93.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.93.2:*:*:*:*:*:*:*'], 'vendor': 'Sonatype', 'product': 'Nexus Repository 3', 'versions': [{'status': 'affected', 'version': '3.88.0', 'lessThan': '3.94.0', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}]
    Added Description An authorization bypass in Nexus Repository 3's component upload API allowed a user with only read/browse privileges on a Swift, Terraform, or Conda hosted repository to upload arbitrary artifacts, bypassing the intended write-permission check.
    Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-862
    Added Reference https://help.sonatype.com/en/sonatype-nexus-repository-3-94-0-release-notes.html
    Added Reference https://support.sonatype.com/hc/en-us/articles/53137654741907
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.