Threat Intelligence Report — September 5, 2026 | 7 New KEVs · 223 Victims

Report Date: 2026-09-05

New KEVs: 7  — unchanged vs last weekRansomware Victims: 223  ▼ -19 vs last week

7 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. Papercut products show the strongest concentration of risk signals this week. Ransomware activity is moderate with 223 new victims posted to leak sites over the last 7 days, with Thegentlemen posting the most victims.

Patch This Week

The top 3 KEVs to remediate right now, ranked by CISA deadline proximity, ransomware exploitation, and severity. These are confirmed exploited — if you do nothing else today, patch these.

  1. CVE-2026-49869 – Kestra Kestra OSS | CVSS 10.0 | EPSS 1.9% / 78th pct | PoC Available
    CISA deadline: 2026-09-05 (0d remaining) — Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
  2. CVE-2026-83548 – SonicWall SMA1000 Appliances | CVSS 10.0 | EPSS 0.7% / 51th pct
    CISA deadline: 2026-09-05 (0d remaining) — Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
  3. CVE-2026-82329 – JFrog Artifactory | CVSS 9.8 | EPSS 7.7% / 94th pct
    CISA deadline: 2026-09-05 (0d remaining) — Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Top KEVs

Vulnerabilities confirmed actively exploited in the wild by CISA — ranked by ransomware use, then severity. Patch these before anything else.

This Reporting Window

  • CVE-2026-49869 – Kestra Kestra OSS | CVSS 10.0 (CRITICAL) | AV: Network | EPSS 1.9% / 78th pct | Ransomware Use: No | PoC Available
  • CVE-2026-83548 – SonicWall SMA1000 Appliances | CVSS 10.0 (CRITICAL) | AV: Network | EPSS 0.7% / 51th pct | Ransomware Use: No
  • CVE-2026-82329 – JFrog Artifactory | CVSS 9.8 (CRITICAL) | AV: Network | EPSS 7.7% / 94th pct | Ransomware Use: No
  • CVE-2026-82078 – PaperCut NG/MF | CVSS 9.4 (CRITICAL) | AV: Network | EPSS 1.7% / 75th pct | Ransomware Use: No
  • CVE-2026-9586 – Sangoma Switchvox | CVSS 9.3 (CRITICAL) | AV: Network | EPSS 11.8% / 96th pct | Ransomware Use: No | PoC Available
  • CVE-2026-85046 – Google Chromium V8 | CVSS 8.8 (HIGH) | AV: Network | EPSS 0.9% / 56th pct | Ransomware Use: No
  • CVE-2026-59822 – BerriAI LiteLLM | CVSS 8.8 (HIGH) | AV: Network | EPSS 0.9% / 56th pct | Ransomware Use: No

Security News

Advisories, threat research, and incident reports from 12 sources across government, commercial research, and security journalism — prioritized by source credibility.

Ransomware Activity

Victim counts posted to ransomware group leak sites — use this to gauge which groups are most active and which sectors and regions are being targeted.

15 new victims posted today
7-day total: 223 via Ransomware.live

Infostealer Exposure: 325 employee credentials and 101,388 user credentials compromised via infostealer malware across victim organisations — indicating credential theft likely preceded these ransomware deployments.

Most Active Groups

Thegentlemen 22 Qilin 20 Zawoo 17 Krybit 15 Settra 15

Group Intelligence

  • ThegentlemenThe Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.
  • QilinQilin ransomware was first observed in July of 2022. Qilin Ransomware is written in Golang and supports multiple encryption modes; all of which are controlled by the operator. Qilin actors practice double extortion – demanding payment for a decryptor, as well as for the non-release of stolen data.
  • KrybitKrybit is an emerging RaaS group that launched in late March 2026, offering affiliates an 80/20 revenue split with support for Windows, Linux, ESXi, and NAS device encryption, and became notable for a public feud with rival group 0APT in which each breached and leaked the other's operator data.

Most Targeted Sectors

Manufacturing 35 Technology 31 Professional Services 27 Healthcare 22 Other 20

Top Countries

US (67), DE (18), GB (10), IN (10), CA (8)

Notable Incidents

  • Uak University (Education · TR) — claimed by Qilin. N/A Press coverage →
  • Manchester Airports Group (Transportation · GB) — claimed by Fulcrumsec. [AI generated] Manchester Airports Group (MAG) is a UK-based airport operator and one of the largest in the United Kingdom. It owns and operates Manchester Airport, London Stansted Airport, and East Midlands Airport. Ope… Press coverage →
  • REXT Holdings Co., Ltd. (Other · JP) — claimed by Ransomhouse. Private retail and holding company based in Tokyo, Japan. Press coverage →
  • Nutex Health (Healthcare · US) — claimed by Thegentlemen. nutexhealth.com zoominfo.com/c/nutex-health-inc/372032478 (NUTX, Nasdaq) — US healthcare company, based in Houston, Texas, founded in 2011 by Dr. Thomas Vo.
    It runs 27 small "micro-hospitals" in 12 states — small hospita…
    Press coverage →
  • Proliance Surgeons (Healthcare · US) — claimed by Payoutsking. [AI generated] Proliance Surgeons is a large physician-owned surgical group based in the United States, primarily operating in Washington State. The organization brings together hundreds of independent surgeons across do… Press coverage →

Vendor-Specific Risks

Vendors with confirmed KEV exploitation this week — the stacked bar shows how that exposure breaks down across exploited CVEs (red), critical CVEs to watch (orange), and news mentions (yellow). Prioritize patching vendors with the largest red segment.

Papercut 1 Berriai 1 Kestra 1 Sonicwall 1 Sangoma 1 KEVs CVEs Mentions

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