Ransomware Intelligence / Groups / qilin

Ransomware group

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.

  • 29claims, 7 days
  • 128claims, 30 days
  • 352claims, 90 days
  • 2026-03-31first seen
  • 2026-11-03last seen

These are claims posted by the group on its leak site, counted when we first see them. They are not confirmed incidents, and we never name a victim.

Activity, last 26 weeks

New leak-site claims per week.

Week of 2026-05-11: 37Week of 2026-05-18: 20Week of 2026-05-25: 20Week of 2026-06-01: 15Week of 2026-06-08: 25Week of 2026-06-15: 22Week of 2026-06-22: 7Week of 2026-06-29: 23Week of 2026-07-06: 31Week of 2026-07-13: 29Week of 2026-07-20: 36Week of 2026-07-27: 29Week of 2026-08-03: 38Week of 2026-08-10: 37Week of 2026-08-17: 34Week of 2026-08-24: 44Week of 2026-08-31: 16Week of 2026-09-07: 9Week of 2026-09-14: 31Week of 2026-09-21: 17Week of 2026-09-28: 14Week of 2026-10-05: 23Week of 2026-10-12: 28Week of 2026-10-19: 35Week of 2026-10-26: 45Week of 2026-11-02: 3
Claims per week, oldest to newest. Each bar is a full Monday-to-Sunday week; the newest bar is the current week so far.

In the news

Recent stories in the security press that name qilin, newest first.

Headlines are shown as the publisher wrote them and link to the original story. They are third-party reporting, not SecuritySnares findings. How stories are picked

Countries claimed, last 90 days

  1. United States 93
  2. Germany 25
  3. Spain 20
  4. United Kingdom 20
  5. Italy 16
  6. Mexico 16
  7. Unknown 12
  8. Argentina 11
  9. Canada 11
  10. Australia 10
  11. France 10
  12. Japan 10
  13. Chile 8
  14. Philippines 6
  15. Malaysia 5

Vulnerabilities qilin exploits

CVEs attributed to qilin by Ransomware.live, most severe first. Patch these first if this group is in your threat model.

CVE Vendor / product CVSS CISA KEV
CVE-2026-20079 Cisco Secure Firewall Management Center (FMC) 10.0 Critical Listed 2026-09-09
CVE-2025-31324 SAP NetWeaver Visual Composer 10.0 Critical Listed 2025-04-29, ransomware use
CVE-2026-24423 SmarterTools SmarterMail 9.8 Critical Listed 2026-02-05, ransomware use
CVE-2026-24061 Telnet Telnetd in GNU Inetutils 9.8 Critical Listed 2026-01-26
CVE-2025-9242 WatchGuard WatchGuard Fireware OS 9.8 Critical Listed 2025-11-12
CVE-2025-60021 Apache Apache bRPC 9.8 Critical Not listed
CVE-2025-59718 Fortinet FortiOS 9.8 Critical Listed 2025-12-16
CVE-2025-40554 SolarWinds SolarWinds Web Help Desk 9.8 Critical Not listed
CVE-2025-14733 WatchGuard WatchGuard Fireware OS 9.8 Critical Listed 2025-12-19, ransomware use
CVE-2024-55591 Fortinet FortiOS & FortiProxy 9.8 Critical Listed 2025-01-14, ransomware use
CVE-2024-21762 Fortinet FortiOS & FortiProxy 9.8 Critical Listed 2024-02-09, ransomware use
CVE-2026-50751 Check Point VPN Remote Access and Mobile Access 9.3 Critical Listed 2026-06-08, ransomware use
CVE-2026-0257 Palo Alto Networks Cloud NGFW 7.8 High Listed 2026-05-29, ransomware use
CVE-2023-27532 Veeam Backup & Replication 7.5 High Listed 2023-08-22, ransomware use
CVE-2026-50752 Check Point Quantum Security Gateway 7.4 High Not listed
CVE-2024-1853 Zemana Zemana AntiLogger 5.5 Medium Not listed
CVE-2026-20316 Cisco Secure Firewall Management Center (FMC) 5.3 Medium Listed 2026-07-29, ransomware use
Newest vulnerabilities used by any ransomware group (CISA KEV)
Added CVE Vendor / product Vulnerability
2026-08-18 CVE-2026-59310 Broadcom VMware vCenter Broadcom VMware vCenter Path Traversal Vulnerability
2026-08-05 CVE-2026-63077 JetBrains TeamCity JetBrains TeamCity Deserialization of Untrusted Data Vulnerability
2026-07-29 CVE-2026-20316 Cisco Secure Firewall Management Center (FMC) Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability
2026-07-14 CVE-2026-15410 SonicWall SMA1000 Appliances SonicWall SMA1000 Appliances Code Injection Vulnerability
2026-07-14 CVE-2026-15409 SonicWall SMA1000 Appliances SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
2026-07-01 CVE-2026-45659 Microsoft SharePoint Server Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability
2026-06-25 CVE-2026-12569 PTC Windchill and FlexPLM PTC Windchill and FlexPLM Improper Input Validation Vulnerability
2026-06-12 CVE-2026-35273 Oracle PeopleSoft Enterprise PeopleTools Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability

Tactics and techniques

MITRE ATT&CK techniques reported for qilin by Ransomware.live, in attack order.

Remote encryption risk. The techniques reported for qilin include encrypting data (T1486) and spreading over SMB / Windows admin shares (T1021.002): the building blocks of remote encryption, where files on protected servers are encrypted over the network from a device the attacker controls.

Read our remote encryption briefing →

Reconnaissance
Resource Development
Initial Access
Execution
Persistence
Privilege Escalation
Defense Evasion
Credential Access
Discovery
Lateral Movement
Collection
Command and Control
Exfiltration
Impact

Data sources: CISA KEV, Ransomchats, RansomLook, Ransomware.live, security news outlets · updated 12 hours ago

Sector, country and ransom-demand figures are SecuritySnares estimates made with a language model. Leak-site listings are claims by threat actors and are not independently verified; leak-site victims are never named unless they have disclosed the incident themselves. News headlines are the publishers' own reporting, shown as written and linked to the original. Methodology