Auth Bypass: Nexus Repository 3 Upload API
CVE-2026-14504 Published on July 14, 2026
Nexus Repository 3 - Authorization Bypass in Component Upload API
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.
Vulnerability Analysis
CVE-2026-14504 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-14504 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-14504
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Affected Versions
Sonatype Nexus Repository 3:- Version 3.88.0 and below 3.94.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.