Reflected Cross-Site Scripting Vulnerability in Nexus Repository by Sonatype
CVE-2026-0601

5.1MEDIUM

Key Information:

Vendor

Sonatype

Status
Nexus Repository
Vendor
CVE Published:
14 January 2026

What is CVE-2026-0601?

A reflected cross-site scripting vulnerability has been identified in Nexus Repository 3 that enables unauthorized attackers to execute malicious JavaScript in the browsers of users. This occurs through crafted requests that necessitate user interaction, potentially leading to significant security risks including data leakage or unauthorized actions performed on behalf of the affected user.

Affected Version(s)

Nexus Repository 3.82.0 <= 3.87.1

References

https://help.sonatype.com/en/sonatype-nexus-repository-3-...
patch
https://support.sonatype.com/hc/en-us/articles/4793433437...
vendor-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Piotr Bazydlo (@chudyPB) of watchTowr
.