Report Date: 2026-10-13
New KEVs: 5 — unchanged vs last weekRansomware Victims: 234 ▲ +2 vs last week
5 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. Proftpd products show the strongest concentration of risk signals this week. Threat intelligence sources this period reference Qilin. Ransomware activity is moderate with 234 new victims posted to leak sites over the last 7 days, with N0N 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.
- CVE-2015-3306 – ProFTPD ProFTPD | CVSS 10.0 | EPSS 99.5% / 100th pct | PoC Available
CISA deadline: 2026-10-11 (overdue by 2d) — 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. - CVE-2021-3199 – ONLYOFFICE Docs | CVSS 9.8 | EPSS 19.4% / 97th pct | PoC Available
CISA deadline: 2026-10-11 (overdue by 2d) — 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. - CVE-2016-3081 – Apache Struts | CVSS 8.1 | EPSS 96.1% / 100th pct | PoC Available
CISA deadline: 2026-10-11 (overdue by 2d) — 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-2015-3306 – ProFTPD ProFTPD | CVSS 10.0 (CRITICAL) | AV: Network | EPSS 99.5% / 100th pct | Ransomware Use: No | PoC Available
- CVE-2021-3199 – ONLYOFFICE Docs | CVSS 9.8 (CRITICAL) | AV: Network | EPSS 19.4% / 97th pct | Ransomware Use: No | PoC Available
- CVE-2016-3081 – Apache Struts | CVSS 8.1 (HIGH) | AV: Network | EPSS 96.1% / 100th pct | Ransomware Use: No | PoC Available
- CVE-2015-5477 – ISC BIND | CVSS 7.5 (HIGH) | AV: Network | EPSS 99.4% / 100th pct | Ransomware Use: No | PoC Available
- CVE-2023-22894 – Strapi Strapi | CVSS 4.9 (MEDIUM) | AV: Network | EPSS 3.6% / 89th pct | Ransomware Use: No | PoC Available
Security News
Advisories, threat research, and incident reports from 12 sources across government, commercial research, and security journalism — prioritized by source credibility.
Threat Actors Mentioned
Qilin
- CISA ICS AdvisoryAdvisory · 5 days ago – Satel Netco Design
View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary scripts in a user's browser, consume excessive system resources, enumerate files, create or modify files, an… - CISA ICS AdvisoryAdvisory · 5 days ago – Grid Protection Alliance openPDC and openHistorian
View CSAF Summary The following versions of Grid Protection Alliance openPDC and openHistorian are affected: openPDC <2.9.477, <2.9.482 (CVE-2026-104629, CVE-2026-100730, CVE-2026-105281, CVE-2026-85479, CVE-2026-1… - CISA ICS AdvisoryAdvisory · 5 days ago – Red Lion Controls N-Tron 700 Series
View CSAF Summary Successful exploitation of these vulnerabilities could allow a malicious user to access the device and gain administrative access. This access would allow the user to view, edit, and upload configuratio… - SANS ISCIncident · 5 days ago – Reconstructing AI Agent Activity: Two New Scripts for Forensic Review, (Thu, Oct 8th)
We just did a major update to FOR577 and added a lot of new material on day 5 about investigating AI usage in incident response. In the new material we dicsuss 8&#;x26;#;xc2;&#;x26&#x… - SANS ISCResearch · 6 days ago – Scans for Atlassian vulnerablity (CVE-2026-21589), (Wed, Oct 7th)
On October 5th, Atlassian published patches&#;x26;#;xc2;&#;x26;#;xa0;for multiple products to fix an "Arbitrary File Access" vulnerability &#;x26;… - Unit 42Incident · 6 days ago – Evolution of Web3 in Cloud Supply Chain Attacks
Unit 42 details how threat actors leverage Web3 infrastructure and open-source supply chain attacks to breach enterprise cloud environments The post Evolution of Web3 in Cloud Supply Chain Attacks appeared first on Unit … - Unit 42Incident · 7 days ago – Blinder Tunnel Campaign Targets Iraqi Infrastructure
Analysis of Blinder Tunnel, an Iran-nexus campaign using fake Dubai Airports recruitment lures and GitHub C2 malware to target critical infrastructure. The post Blinder Tunnel Campaign Targets Iraqi Infrastructure appear… - Sophos X-OpsResearch · 8 days ago – Citrix NetScaler vulnerability (CVE-2026-88779) in active exploitation
Categories: Threat Research Tags: advisory, vulnerability, Citrix - Sophos X-OpsResearch · 13 days ago – TerminalFix and Lorem Ipsum Loader enable covert tunneling
The activity is linked to a broader campaign that previously used a different delivery mechanism Categories: Threat Research Tags: TerminalFix, clickfix, Lorem Ipsum Loader - The RecordNews · 2 days ago – Cyberattack disrupts refrigeration at hundreds of French supermarkets
A cyberattack overnight Sunday disrupted refrigerators at hundreds of French supermarkets, spoiling fresh food at stores run by some of the countryâs largest grocery chains. - The RecordNews · 4 days ago – Japan confirms arrest of Russian Qilin operative, extradition to Germany
Japanâs National Police Agency confirmed the arrest and extradition to Germany of a Russian national accused of being involved in the Qilin ransomware gang. - Security Affairs (APT)Incident · 5 days ago – U.S. Offers $10 Million Reward for Alleged HAFNIUM Hacker Zhang Yu
The U.S. offers $10M for Zhang Yu, accused of helping run HAFNIUM attacks that compromised thousands of organizations worldwide. The U.S. State Department is offering a $10 million reward for information leading to the a… - Security Affairs (APT)Incident · 9 days ago – Warlock Ransomware Still Exploits Year-Old SharePoint Flaws to Hit Critical Infrastructure
Warlock ransomware continues to exploit unpatched SharePoint flaws to breach water utilities, telecoms, governments, and universities worldwide. Warlock ransomware made headlines back in mid-2025 for exploiting a chain o… - Security Affairs (Cybercrime)Incident · yesterday – ShinyHunters arrest number three: a Canadian ransomware negotiator
A Canadian ransomware negotiator faces extortion charges in the FBI’s ShinyHunters crackdown. Here’s what is known, and what isn’t. ShinyHunters is the focus of a global FBI investigation, and the crack… - Security Affairs (Cybercrime)News · yesterday – Canonical Hit by Second DDoS Attack in 2026, Public Websites Disrupted
Canonical suffered its second DDoS attack this year, disrupting public websites for over four hours while Launchpad and the Snap Store remained online. Ubuntu’s parent company Canonical spent part of last week figh…
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.
68 new victims posted today
7-day total: 234 via Ransomware.live
Most Active Groups
Group Intelligence
- Thegentlemen — The 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.
- Qilin — Qilin 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.
- Interlock — Interlock is a ransomware group first observed in September 2024 that targets critical infrastructure sectors including healthcare, government, education, and technology across North America and Europe using double-extortion, with 57+ claimed victims including a major US dialysis provider exposing over two million patient records.
Most Targeted Sectors
Top Countries
US (76), KR (12), BR (10), CA (10), DE (8)
Notable Incidents
- CORBY ROCK MILL (Manufacturing · IE) — claimed by Qilin. N/A Press coverage →
- astranahealth.com (Healthcare · US) — claimed by Chaos. The company's management decided to pull out of the deal with us in order to save money. The data and diagnoses of millions of patients have been published in their entirety. The total data volume is 1,500 GB.
Astrana H…
Press coverage → - hsc.mb.ca (Healthcare · CA) — claimed by Incransom. The Health Sciences Centre in Winnipeg, one of the largest medical institutions, was targeted by us that resulted in the largest data breach among healthcare institutions. Our group chose not to completely disrupt the fa… Press coverage →
- Anne Arundel County (Government & Defense · US) — claimed by Rhysida. Anne Arundel County Established in 1964, Anne Arundel County is a governmental body, consisting of numerous departments, services and sections all working together to serve the residents. This company is headquartered in… Press coverage →
- MoneyGram (Financial Services · US) — claimed by Thegentlemen. moneygram.com Revenue $2.1 Billion MoneyGram global money transfer network moving nearly $200 billion a year through almost 500,000 retail agent locations in 200+ countries and serving 60 million+ active customers, with … 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.
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