Medium 5.1Published Apr 8, 2026

CVE-2026-3438Nexus Repository 3 - Reflected Cross-Site Scripting (XSS) in ?describe Pages

Updated under an hour ago (Oct 26, 2026, 12:00 PM ET)

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It affects Sonatype Nexus Repository. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Sonatype Nexus Repository

Exploited in the last 30 days

A reflected cross-site scripting vulnerability exists in Sonatype Nexus Repository versions 3.0.0 through 3.90.2 that allows unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser through a specially crafted URL. Exploitation requires user interaction.

CVSS: 5.1 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Sonatype
NVD analysis: Analyzed
Record last updated: Apr 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Sonatype Nexus Repository sonatype:nexus_repository_manager	from 3.0.0 before 3.91.0	CNA record
sonatype nexus_repository_manager sonatype:nexus_repository_manager	from 3.0.0 before 3.91.0	NVD

References

https://help.sonatype.com/en/sonatype-nexus-repository-3-91-0-release-notes.htmlpatch, release-notes
https://support.sonatype.com/hc/en-us/articles/50609137161363vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.