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CVE-2026-22557

CRITICALCVSS 10/10EPSS 15.60%

Last modified

CVE-2026-22557 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. EPSS estimates a 15.60% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
15.60%

96.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is 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 files on the underlying system that could be manipulated to access an underlying account.
How severe is CVE-2026-22557?
CVE-2026-22557 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 15.60% probability of exploitation in the next 30 days.
How do I fix CVE-2026-22557?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-22557?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST