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Product
Threat intelligence API
Get started
Live feed
Recipes
Free feeds
CLI & agents
The data
Incident records
Dark web
Validated IOCs
Vulnerabilities
Entity graph
For teams
For service providers
Use cases
About ThreatCluster
Docs
OpenAPI (Swagger)
ReDoc
Examples on GitHub
Quickstart & plans
Integrations
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Back
CopyFail
Vulnerability
Threat entity extracted from intelligence sources
Entities
›
vulnerability
›
CopyFail
Frequency
6
occurrences
First Seen
April 30, 2026
Last Seen
September 25, 2026
API
Overview
Recent Events
Profile
Profile
MITRE ATT&CK
1 / 2
Exploited By
313 Team
Tools Used
Beamed
Docker
Python
Related CVEs
CVE-2026-31431
CVE-2026-46300
MITRE Techniques
T1068 - Exploitation for Privilege Escalation
T1059.006 - Python
Affected Platforms
Linux
Bluesky
EBay
Kubernetes
Systemd
Telegram
Regions
Iran
-
REC
Recon
No techniques detected
-
RD
Resource Dev
No techniques detected
-
IA
Initial Access
No techniques detected
1
EX
Execution
T1059.006 - Python
-
PE
Persistence
No techniques detected
1
PE
Priv Esc
T1068 - Exploitation for Privilege Escalation
-
DE
Defense Evasion
No techniques detected
-
CA
Cred Access
No techniques detected
-
DI
Discovery
No techniques detected
-
LM
Lateral Mov
No techniques detected
-
CO
Collection
No techniques detected
-
C2
C2
No techniques detected
-
EX
Exfil
No techniques detected
-
IM
Impact
No techniques detected
2
techniques detected across
2
tactics
Related Clusters (2)
Critical Linux Vulnerability 'Copy Fail' Grants Root Access Across Major Distros
Apr 30
·
159 sources
73
Linux Kernel Killswitch Proposal Amid Rising Privilege Escalation Threats
May 11
·
5 sources
72
Related Articles (6)
After Six Sandbox Escapes In Three Months, Researchers Target Cloudflare Next
Techjuice.Pk
·
Sep 25
Meet Fragnesia, the third Linux kernel vulnerability in a month
Csoonline
·
May 14
Linux kernel maintainers pitch emergency killswitch after CopyFail and Dirty Frag chaos
Theregister
·
May 11
'Dirty Frag' Linux flaw one
Theregister
·
May 8
Pro-Iran Hackers Hit Ubuntu's Canonical With DDoS, Float Extortion Demand
Uk.Pcmag
·
May 1
Copy Fail Hits Linux: Tiny 4-Byte Flaw Opens Door to Root Access
Ground.News
·
Apr 30
Prev
1 / 2
Next
Related Entities
313 Team
Zero-day Exploit
Privilege Escalation
Data Breach
DDoS
Canonical
Cloudflare
Stryker
Iran
CVE-2026-31431
CVE-2026-46300
CWE-269 - Improper Privilege Management
