CVE-2026-0600 | Security Details | Sonatype Guide
CVE-2026-0600
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
Medium
6.2
Security Details
Components Impacted
- Sonatype Research
CVE Description
CVE-2026-0600
CWE
CWE-918 Learn more about 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
6.2 Medium
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;)Vorg/sonatype/nexus/blobstore/s3/internal/S3BlobStoreDescriptor.validateConfig(Lorg/sonatype/nexus/blobstore/api/BlobStoreConfiguration;)Vorg/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;
JVM Vulnerable params: 2, 0, 0
Affected Ecosystems
Source: National Vulnerability Database