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a:sonatype-nexus_repository_manager

CVE-2026-11403 is a high-severity vulnerability in Sonatype Nexus Repository Manager version 3.0.0 involving insufficient entropy in format-specific API key generation. This weakness may allow a remote attacker to gain unauthorized access to repository operations as a targeted user if a format-specific API key realm is enabled and the user has an active API key. No official patch or remediation guidance is currently provided by the vendor.

This vulnerability (CVE-2026-11403) affects Sonatype Nexus Repository Manager 3.0.0 and is caused by insufficient entropy in the generation of format-specific API keys (such as NuGet API Key, Docker Bearer Token, or npm Bearer Token). Exploitation requires that the targeted user has an active API key and that the relevant API key realm is enabled. Successful exploitation could allow a remote attacker to perform repository operations with the privileges of the targeted user. The CVSS 4.0 base score is 8.7, indicating high severity. There is no vendor advisory or patch available at this time.

Detailed information about CVE-2026-11403: CWE-331 Insufficient entropy in Sonatype Nexus Repository Manager affecting Sonatype Nexus Repository Manager. Get re

CVE-2026-11403: CWE-331 Insufficient entropy in Sonatype Nexus Repository Manager - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-11403: CWE-331 Insufficient entropy in Sonatype Nexus Repository Manager

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