CVE-2026-0600 Security Details

CVE ID

CVE-2026-0600

CWE

CWE-918

CVE Description

Server-Side Request Forgery (SSRF) vulnerability in Sonatype Nexus Repository 3 versions 3.0.0 and later allows authenticated administrators to configure proxy repositories with URLs that can access unintended network destinations, potentially including cloud metadata services and internal network resources. A workaround configuration is available starting in version 3.88.0, but the product remains vulnerable by default.

Published

Jan 6, 2026

CVSS Score & Severity

6.2Medium

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N

EPSS Score

0.063%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/sonatype/nexus/blobstore/s3/internal/S3BlobStoreDescriptor.<init>(Lorg/sonatype/nexus/blobstore/quota/BlobStoreQuotaService;Lorg/sonatype/nexus/blobstore/api/BlobStoreManager;Ljavax/inject/Provider;)V

JVMVulnerable params: 2

org/sonatype/nexus/blobstore/s3/internal/S3BlobStoreDescriptor.validateConfig(Lorg/sonatype/nexus/blobstore/api/BlobStoreConfiguration;)V

JVMVulnerable params: 0

org/sonatype/nexus/repository/proxy/ProxyFacetSupport.fetch(Ljava/lang/String;Lorg/sonatype/nexus/repository/view/Context;Lorg/sonatype/nexus/repository/view/Content;)Lorg/sonatype/nexus/repository/view/Content;

JVMVulnerable params: 0

Affected Ecosystems

affected

Source

National Vulnerability Database

References

support.sonatype.comPROJECT