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CISA adds Ubiquiti UniFi OS flaw CVE-2026-34908 to KEV list

Part of the CVE-2026-34908 story · since 23 Jun

Quiet for 20 weekslast report 24 Jun9 articles4 outlets
23 Jun · CISA first10 Aug3 Sep27 SepNowThis article2nd of 9
  • Tue 23 Jun, 19:50 UTC. CISA, first report. Critical Ubiquiti UniFi OS flaw exploited in the wild, no patch. Cites a CVE in CISA KEV.
  • Tue 23 Jun, 21:03 UTC. CISA. CISA adds Ubiquiti UniFi OS flaw CVE-2026-34908 to KEV list. Cites a CVE in CISA KEV. This article, 2nd of 9.
  • Wed 24 Jun, 02:02 UTC. SecurityOnline, its first report on the story. CISA Adds Four Exploited UniFi OS and Lantronix Flaws to KEV Catalog. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 03:41 UTC. SecurityOnline. Flaw in AVer PTC500S cameras allows remote code execution. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 04:11 UTC. SecurityOnline. Google Search Now Saves Your Uploaded Media to Train AI. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 04:11 UTC. SecurityOnline. Lantronix, UniFi flaws surface as Outlook Mac reply glitch seen. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 08:13 UTC. SecurityOnline. SmartRAT ClickFix targets Brazilian banks with AI spoofed domains. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 10:32 UTC. Security Affairs, its first report on the story. CISA flags Ubiquiti, Lantronix flaws; urges US patch by June 2026. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 13:01 UTC. SecurityWeek, its first report on the story. CISA urges patching as hackers exploit critical Ubiquiti flaws. Cites a CVE in CISA KEV.

The Known Exploited Vulnerabilities Catalog, maintained by CISA, serves as an authoritative source for tracking vulnerabilities exploited in the wild. It helps organizations prioritize vulnerability management. The catalog includes information about vulnerabilities such as CVE-2026-34908, which pertains to an unauthorized access control issue in Ubiquiti UniFi OS. Recommendations for mitigation include following vendor instructions and adhering to CISA's guidance on security updates. The catalog also offers resources in multiple formats (CSV, JSON) and mechanisms for nominating new vulnerabilities.

How the story developed

All 9 articles
Quiet for 20 weekslast report 24 Jun9 articles4 outlets

9 articles from 4 outlets since 23 Jun. Quiet since 24 Jun. This was the 2nd report, 1 hour after the first.

Now23 Jun2425268 Nov9First reportCISA · 23 Jun, 19:50
  • Tue 23 Jun, 19:50 UTC. CISA, first report. Critical Ubiquiti UniFi OS flaw exploited in the wild, no patch. Cites a CVE in CISA KEV.
  • Tue 23 Jun, 21:03 UTC. CISA. CISA adds Ubiquiti UniFi OS flaw CVE-2026-34908 to KEV list. Cites a CVE in CISA KEV. This article, 2nd of 9.
  • Wed 24 Jun, 02:02 UTC. SecurityOnline, its first report on the story. CISA Adds Four Exploited UniFi OS and Lantronix Flaws to KEV Catalog. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 03:41 UTC. SecurityOnline. Flaw in AVer PTC500S cameras allows remote code execution. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 04:11 UTC. SecurityOnline. Google Search Now Saves Your Uploaded Media to Train AI. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 04:11 UTC. SecurityOnline. Lantronix, UniFi flaws surface as Outlook Mac reply glitch seen. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 08:13 UTC. SecurityOnline. SmartRAT ClickFix targets Brazilian banks with AI spoofed domains. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 10:32 UTC. Security Affairs, its first report on the story. CISA flags Ubiquiti, Lantronix flaws; urges US patch by June 2026. Cites a CVE in CISA KEV.
  • Wed 24 Jun, 13:01 UTC. SecurityWeek, its first report on the story. CISA urges patching as hackers exploit critical Ubiquiti flaws. Cites a CVE in CISA KEV.
  • Known exploited CVE
  • No CVE
  • Larger: an outlet’s first report
  • Square: official source
  • Coverage over time
  • Quiet time, folded
Show all 9 articles as a list
  1. Tue 23 JunDay 02
    1. Critical Ubiquiti UniFi OS flaw exploited in the wild, no patch19:50 · CISA · official · First report · CISA alert · Known exploited CVE
    2. CISA adds Ubiquiti UniFi OS flaw CVE-2026-34908 to KEV list21:03 · CISA · official · Known exploited CVE · This article, 2nd of 9
  2. Wed 24 JunDay 17
    1. CISA Adds Four Exploited UniFi OS and Lantronix Flaws to KEV Catalog02:02 · SecurityOnline · Known exploited CVE
    2. Flaw in AVer PTC500S cameras allows remote code execution03:41 · SecurityOnline · Known exploited CVE
    3. Google Search Now Saves Your Uploaded Media to Train AI04:11 · SecurityOnline · Known exploited CVE
    Show 4 more from 24 Jun
    1. Lantronix, UniFi flaws surface as Outlook Mac reply glitch seen04:11 · SecurityOnline · Known exploited CVE
    2. SmartRAT ClickFix targets Brazilian banks with AI spoofed domains08:13 · SecurityOnline · Known exploited CVE
    3. CISA flags Ubiquiti, Lantronix flaws; urges US patch by June 202610:32 · Security Affairs · Known exploited CVE
    4. CISA urges patching as hackers exploit critical Ubiquiti flaws13:01 · SecurityWeek · Known exploited CVE

Sources

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