# CVE-2026-3048

An authenticated administrator who configures or tests LDAP connectivity in Sonatype Nexus Repository Manager versions 3.0.0 through 3.91.1 may be able to initiate unintended server-side connections when interacting with a malicious LDAP server.

Published Mar 26, 2026

**CVSS Score**: Medium 5.1

## Security Details

### Components Impacted
- Sonatype Research

### CVE-2026-3048 Security Details

**CVE ID**: CVE-2026-3048

**CWE**:
- CWE-502 [Learn more about CWE-502](https://cwe.mitre.org/data/definitions/502.html)
- CWE-918 [Learn more about CWE-918](https://cwe.mitre.org/data/definitions/918.html)

### CVE Description
An authenticated administrator who configures or tests LDAP connectivity in Sonatype Nexus Repository Manager versions 3.0.0 through 3.91.1 may be able to initiate unintended server-side connections when interacting with a malicious LDAP server.

**Published**: Mar 26, 2026

**CVSS Score & Severity**: 5.1 Medium

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

**EPSS Score**: 0.065%

### Malware
- malware

### KEV Status
- Not in KEV Catalog: No known exploits

### Vulnerable Methods
- org/sonatype/nexus/ldap/internal/realms/DefaultLdapContextFactory.<init>()V  
- org/sonatype/security/ldap/realms/DefaultLdapContextFactory.<init>()V  
- org/sonatype/security/realms/ldap/internal/realms/DefaultLdapContextFactory.<init>()V

### Affected Ecosystems
- affected

### Source
- National Vulnerability Database

### References
- [support.sonatype.com](https://support.sonatype.com/hc/en-us/articles/51591695462675)