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    CVE-2026-97666

    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.

    Published:Oct 15, 2026
    Last Modified:Oct 15, 2026
    EPS:Oct 15, 2026
    EPSS Score:
    CVSS Score:6.9

    Affected Products

    Vendor
    Sonatype
    Product
    Nexus Repository Manager

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-138 Reflection Injection

    Related CVEs

    CVE-2026-113368 (CVSS 5.3) — Sonatype Nexus Repository 3 does not check that a user account is authorized to access a repository before the…
    CVE-2026-113369 (CVSS 6.3) — Sonatype Nexus Repository 3 allows a user account that can push manifests to a hosted OCI repository (a user a…
    CVE-2026-113370 (CVSS 7.7) — Sonatype Nexus Repository 3 contains a SQL injection vulnerability in the optional "Reindex Search Tables By P…
    CVE-2026-113371 (CVSS 7.1) — Sonatype Nexus Repository 3 returns the signing passphrase of an APT or YUM repository, through an internal RE…
    CVE-2026-113372 (CVSS 7.1) — Sonatype Nexus Repository 3 returns the private signing key of a YUM proxy or group repository to an account t…
    CVE-2026-113373 (CVSS 9.1) — Sonatype Nexus Repository 3 Pro does not check the local account status when a user signs in through a configu…
    CVE-2026-113374 (CVSS 8.6) — Sonatype Nexus Repository 3 does not require realm administration permission when a user creates a Rut Auth ca…
    CVE-2026-97712 (CVSS 8.7) — Sonatype Nexus Repository 3 allows a user that holds the role create or role update permission to grant roles …
    CVE-2026-97667 (CVSS 5.1) — Sonatype Nexus Repository 3 allows a user account that holds the edit permission on a hosted R repository to s…
    CVE-2026-97665 (CVSS 7.1) — A missing authorization check in Nexus Repository 3's NuGet Components API upload path allows an account holdi…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High