CVE-2026-14504 Nexus Repository 3 - Authorization Bypass in Component Upload API
Attackers with read-only access can upload arbitrary artifacts to Swift, Terraform, or Conda repositories, bypassing write permission checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14504?
CVE-2026-14504 is a high-severity missing authorization vulnerability in Sonatype Nexus Repository Manager, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-14504?
It affects 1 product.
Products include Sonatype Nexus Repository Manager.
How do I fix CVE-2026-14504?
No fix has been published for CVE-2026-14504 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-14504 being exploited?
There is no known exploitation of CVE-2026-14504 in the wild and no public exploit code.
Other vulnerabilities in Sonatype Nexus Repository Manager
- CVE-2019-7238 Sonatype Nexus Repository Manager Incorrect Access Control
- CVE-2019-9629 Hardcoded credentials in n/a
- CVE-2017-17717 Hardcoded credentials in n/a
- CVE-2026-3199 Nexus Repository 3 - Authenticated Remote Code Execution via Task Property Injection
- CVE-2026-5189 Nexus Repository 3 - Hardcoded Credential in Internal Database Component
Sources
Also known as GHSA-3v8f-7593-ph9g.