VulnSocial

CVE-2026-77539Disclosure

LOWCVSS 9.1 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Command Injection on the host device.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-20

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-08-26: 2Technical Details · 2026-08-26: 208-26
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-77539 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Comman… https://www.cve.org/CVERecord?id=CVE-2026-77539 ----- Traducción: CVE-2026-77539 Un … https://infoflow.cloud`

    Post summary

    The post announces CVE‑2026‑77539, describing an improper input validation flaw that could enable command execution with high privileges, but it provides no PoC, exploit, or patch details.

    0000056
    102 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-77539 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Comman… https://www.cve.org/CVERecord?id=CVE-2026-77539

    Post summary

    The advisory notes that a malicious actor with network and high privileges could exploit an improper input validation flaw in UniFi OS Server to execute a command. Further details are available via the CVE record link.

    00000738
    58.0K followersView on X

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