Actively exploited · CISA KEV · NVD published 2026-05-22
Actively exploitedCVE-2026-34910
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
Signals
- Exploited in the wild
- Yesadded 2026-06-23 · due 2026-06-26. An observation, not a forecast.
- EPSS · 30-day forecast
- 46%Chance of exploitation in the next 30 days, 99th percentile of all CVEs. A forecast; KEV outranks it.
- CVSS · NVD · CRITICAL
- 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Internet exposure
- not stated by sourcesNo exposure census on this CVE's dispatches.
Exploits
3 known · links onlyGitHub PoCs · by trust, then stars2
- Boreas37/CVE-2026-34910-PoC ↗Trust ok 100
CVE-2026-34910/34909 — UniFi OS unauth RCE + file read via ..%2f auth bypass (CVSS 10.0, KEV, Mirai ITW)
★ 14 · created 2026-08-09
- gagaltotal/CVE-2026-34910-unifi-poc ↗Trust ok 100
CVE-2026-34910 - CVE-2026-34909 Unifi OS
★ 0 · created 2026-08-22
Fake proof-of-concept repositories have been used to deliver malware to the researchers who run them. The trust verdict is our engine's heuristic over the repository (account age, what it ships, how its stars arrived); it is a reason to read the code first, not a finding about its author.
Nuclei1
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
yaml · seen 2026-10-18
Detections
3 rules · Sigma · QRadar · CortexGenerated by skopnix from this finding, each with false-positive notes. Open the list →
On the wire
0 dispatchesNo dispatch on our wire has named this CVE yet.
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