PatchTheCVECVE-2026-55111: A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi Prote
CVE-2026-55111 is a high-severity flaw (CVSS 7.5) affecting protect floodlight firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi Protect Floodlight devices to access files on the UniFi Protect Floodlight.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 57%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2026-07-02 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-55111?
protect floodlight firmware: upgrade to 1.13.6. Exact commands for each OS are on this page.
Is CVE-2026-55111 being exploited?
CVE-2026-55111 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-55111 affect?
CVE-2026-55111 affects protect floodlight firmware. Severity is high (CVSS 7.5). A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi Protect Floodlight devices to access files on the UniFi Protect Floodlight.
How urgent is CVE-2026-55111?
Priority 42/100. High severity; Remotely exploitable, no login, no user action