Loading vulnerability…
CVE-2026-33000 is a critical improper input validation vulnerability affecting Ubiquiti UniFi OS Server. A network-accessible, highly privileged attacker can supply crafted input that is not adequately validated before being passed to an operating system command execution path, resulting in command injection. Available reporting characterizes this issue as the authenticated variant of a related command-injection sink in the UniFi OS update-handling functionality, where attacker-controlled input can reach a system-level command interpreter without sufficient sanitization. Successful exploitation enables arbitrary command execution on the affected device and can lead to full compromise of the UniFi OS Server instance.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
22 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authenticated variant of the Ubiquiti command injection flaw related to CVE-2026-34910.
A vulnerability affecting multiple Ubiquiti UniFi OS products and related devices.
Critical UniFi OS Server command injection vulnerability caused by improper input validation, exploitable by a high-privileged attacker with network access.
An authenticated command injection vulnerability in the same UniFi OS package-update sink as CVE-2026-34910, requiring a valid view:identity:update token.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.