CVE-2026-77554
CRITICALCVSS 10/10EPSS 0.99%
Last modified
CVE-2026-77554 is a critical-severity vulnerability rated 10/10 on the CVSS scale. A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.
Description
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-77554?
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.
How severe is CVE-2026-77554?
CVE-2026-77554 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.
How do I fix CVE-2026-77554?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-77549A malicious actor with access to the network and under certa…9
- CVE-2026-7755IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow r…8.8
- CVE-2026-77550A malicious actor with access to the network could exploit a…10
- CVE-2026-77551A malicious actor with access to the network and under certa…9
- CVE-2026-77552A malicious actor with access to the network could exploit a…9.8
- CVE-2026-77553A malicious actor with access to the network and low privile…9.9
- CVE-2026-77557A malicious actor with access to the network could exploit a…9.8
- CVE-2026-77567Filament is a collection of full-stack components for accele…8.1
- CVE-2026-77573Weblate is a web-based continuous localization platform used…3.5
- CVE-2026-77584Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that …7
- CVE-2026-77585The Okta Privileged Access client does not reject a leading …5.3
- CVE-2026-77586In MongoDB Connector for BI, MongoDB object names such as co…8
Are you affected by CVE-2026-77554?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST