CVE-2026-97667 Nexus Repository 3 - Stored Cross-Site Scripting in Browse UI
An attacker with edit permissions can inject scripts into R package metadata, executing code in the browsers of users viewing the package details.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-97667?
CVE-2026-97667 is a medium-severity cross-site scripting vulnerability in Sonatype Nexus Repository 3, published on 15 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Sonatype Nexus Repository 3 allows a user account that holds the edit permission on a hosted R repository to store script content in the metadata of an uploaded R package. The script runs in the browser of a user who opens the details of that package in the Browse user interface, with the permissions of the viewing user. In this description, a user account means an account that has supplied valid credentials. The anonymous user, if enabled, is also a user account and can hold this permission if an administrator grants it.
Weakness: CWE-79
Which versions are affected by CVE-2026-97667?
How do I fix CVE-2026-97667?
No fix has been published for CVE-2026-97667 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-97667 being exploited?
There is no known exploitation of CVE-2026-97667 in the wild and no public exploit code.
Sources
Also known as GHSA-hgx3-p778-vgjq.