CVE-2026-22557 Details.
UniFi Network Application - Path Traversal
Atlas does not check this one. Works by exploiting the flaw.
The only reliable test for this one is to try the weakness itself, which can disturb the site. Atlas does not do that, so it does not run this check.
About CVE-2026-22557. What It Means.
UniFi Network Application contains a path traversal vulnerability allowing a network attacker to access and manipulate files on the underlying system, potentially leading to account access, exploit requires network access.
Affected Product. What Is Hit.
- Vendor
- ui
- Product
- UI UniFi Network Application
References. Where To Read More.
- https://community.ui.com/releases/Security-Advisory-Bulletin-062-062/c29719c0-405e-4d4a-8f26-e343e99f931b
- https://github.com/ThePotatoOfDoom/CVE-2026-22557-PoC
- https://www.cycognito.com/blog/emerging-threat-ubiquiti-unifi-network-application-path-traversal-cve-2026-22557/
- https://nvd.nist.gov/vuln/detail/CVE-2026-22557
FAQ
Common Questions.
UniFi Network Application - Path Traversal. UniFi Network Application contains a path traversal vulnerability allowing a network attacker to access and manipulate files on the underlying system, potentially leading to account access, exploit requires network access.
No. The only reliable test for this one is to try the weakness itself, which can disturb the site. Atlas does not do that, so it does not run this check. The facts about CVE-2026-22557 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-22557 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update UI UniFi Network Application to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-22557. Atlas does not run a check for it, so nothing here says whether a particular site is affected.