CTI · reported · 2026-09-12
JFrog Artifactory under active attack with CVE chain exploit
Actors
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Malware / tools
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Campaigns
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CVEs
CVE-2026-42016CVE-2026-42018CVE-2026-82329CVE-2026-84869
Victim sectors
technologydevopssoftware-development
Geography
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MITRE ATT&CK
Indicators
No curated indicators tied to this case.
Detections
Detection content derived from this case analysis. Status: experimental — not validated against live telemetry.
Sigma raw
title: JFrog Artifactory CVE Chain Exploitation and Admin Account Creation
id: d4e5f6a7-b8c9-0123-defa-234567890123
status: experimental
description: Detects exploitation of JFrog Artifactory CVE chain including unauthorized admin account creation and malicious Groovy plugin deployment
references:
- https://www.bleepingcomputer.com/
- https://threatnoir.com/
author: Tia N. List
date: 2026-09-12
tags:
- attack.initial-access
- attack.t1190
- attack.persistence
- attack.t1505
logsource:
product: linux
category: process_creation
detection:
selection_artifactory_admin_create:
Image|contains:
- 'artifactory'
CommandLine|contains:
- 'createUser'
- 'admin'
- 'role'
selection_groovy_plugin:
Image|contains:
- 'artifactory'
CommandLine|contains:
- 'groovy'
- 'plugin'
- 'install'
selection_reverse_shell:
Image|endswith:
- '/sh'
- '/bash'
CommandLine|contains:
- '/dev/tcp'
- 'nc -e'
- 'ncat'
- 'python -c'
- 'perl -e'
condition: selection_artifactory_admin_create or selection_groovy_plugin or selection_reverse_shell
falsepositives:
- Legitimate Artifactory administration operations
level: critical
YARA-X raw
import "pe"
rule JFrog_Artifactory_Rust_Backdoor {
meta:
author = "Tia N. List"
date = "2026-09-12"
status = "experimental"
description = "Detects Rust-based backdoor deployed during JFrog Artifactory CVE chain exploitation"
reference = "https://www.bleepingcomputer.com/"
falsepositives = "Unknown"
strings:
$rust = "GoRust" ascii
$rust2 = "rust-cargo" ascii nocase
$artifactory = "artifactory" ascii nocase
$groovy = "groovy" ascii nocase
$reverse = "/dev/tcp" ascii
$reverse2 = "ncat" ascii
$shell = "/bin/sh" ascii
$shell2 = "/bin/bash" ascii
condition:
uint16(0) == 0x5A4D and
filesize < 50MB and
($rust or $rust2) and
1 of ($artifactory, $groovy) and
1 of ($reverse, $reverse2, $shell, $shell2)
}