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CVE-2026-34911 is a path traversal vulnerability affecting UniFi OS devices. According to the provided content, a malicious actor with network access and low privileges can exploit the flaw to traverse outside intended directories and read files from the underlying operating system. The issue is described as a separate authenticated or low-privilege file-read vulnerability, distinct from the unauthenticated critical traversal issue CVE-2026-34909. Successful exploitation allows access to sensitive system files on the host, resulting in information disclosure and potentially enabling follow-on abuse depending on the contents of the exposed files.
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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.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A separate low-privilege path traversal file-read vulnerability in the UniFi OS device family.
A high-severity information disclosure vulnerability in UniFi OS that was patched by Ubiquiti.
A high-severity path traversal vulnerability in UniFi OS that allows low-privileged authenticated attackers to access sensitive system files for further lateral movement or data exfiltration.
A high-severity path traversal vulnerability in Ubiquiti UniFi OS that allows a low-privilege network actor to read files and harvest sensitive information.
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.