Reflected Cross-Site Scripting Vulnerability in Sonatype Nexus Repository
CVE-2026-3438

5.1MEDIUM

Key Information:

Vendor

Sonatype

Status
Nexus Repository
Vendor
CVE Published:
8 April 2026

What is CVE-2026-3438?

A reflected cross-site scripting vulnerability in Sonatype Nexus Repository allows unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser by utilizing a specially crafted URL. This exploitation requires the victim to interact with the malicious link, potentially leading to unauthorized actions and data disclosure.

Affected Version(s)

Nexus Repository 3.0.0 < 3.91.0

References

https://help.sonatype.com/en/sonatype-nexus-repository-3-...
patch
https://support.sonatype.com/hc/en-us/articles/5060913716...
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

.