CVE-2026-97666

Nexus Repository 3 - Unsafe Reflection in ExtDirect Repository Endpoint

State
Published
Severity
6.9 Medium
Published
Oct 15, 2026
Updated
Oct 15, 2026
Reserved
Sep 24, 2026

Read the record on cve.org

Description

Sonatype Nexus Repository 3 allows an unauthenticated remote attacker to supply attacker-controlled input to a Java class loading call through an ExtDirect endpoint. This allows the attacker to learn whether specific classes are present in the application. The issue does not by itself allow code execution.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NSonatype

Weaknesses

  • CWE-470 Use of Externally-Controlled Input to Select Classes or Code ("Unsafe Reflection")

Affected Products

ProductVersions
Nexus Repository 3Sonatype
  • 3.0.0 to before 3.97.0Affected

References

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