CVE-2026-3048: Nexus Repository 3 - Improper LDAP Referral Handling

Severity: low (CVSS 3.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-11 · updated 2026-10-26
Weakness: CWE-502

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.

Affected products

Sonatype Nexus Repository 3: from 3.0.0 before 3.92.0 — fixed in 3.92.0

How to fix

Upgrade to a fixed version: Sonatype Nexus Repository 3 3.92.0. Check the vendor advisory for mitigations.

References

https://help.sonatype.com/en/sonatype-nexus-repository-3-92-0-release-notes.html
https://support.sonatype.com/hc/en-us/articles/51591695462675

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