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TI-2026-02966 Aliases CVE-2026-3438GHSA-mx59-6f7x-f5f2

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

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.004 34th percentileScored 2026-11-07
Fix Fixed Nexus Repository (Sonatype): 3.91.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SonatypeNexus Repository3.0.0 to before 3.91.03.91.0Patch availableCNA
  • Nexus Repository VendorSonatype Affected 3.0.0 to before 3.91.0 Fixed in 3.91.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:*3.0.0 to before 3.91.0VulnerableSonatype
  • cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:* Versions 3.0.0 to before 3.91.0 Vulnerable ·Sonatype

Remediation

  • Fix · CNA Nexus Repository (Sonatype) Fixed in 3.91.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Sonatype Nexus Repository 3.91.0

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-02763 Nexus Repository 3 - Authenticated Remote Code Execution via Task Property InjectionPriority MEDIUM 49
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3438
  2. 2026-10-03 Alias added: GHSA-mx59-6f7x-f5f2

References

Patch 1

Advisory 1

  • TI-2019-05133 Sonatype Nexus Repository Manager before 3.15.0 has Incorrect Access Control. KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-03883 OS command injection in Nexus Repository Manager CVSS 3.0HIGH 8.8
  • TI-2026-02763 Nexus Repository 3 - Authenticated Remote Code Execution via Task Property Injection CVSS 4.0CRITICAL 9.4
  • TI-2026-04532 Nexus Repository 3 - Hardcoded Credential in Internal Database Component CVSS 4.0CRITICAL 9.2
  • TI-2021-15218 Multiple XSS issues exist in Sonatype Nexus Repository Manager 3 before 3.33.0. CVSS 3.1MEDIUM 5.4
  • TI-2019-07044 Sonatype Nexus Repository Manager before 3.17.0 establishes a default administrator user… CVSS 3.0CRITICAL 9.8
See all 63 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences