CVE-2026-44939
Published:June 19, 2026
Updated:June 29, 2026
A command injection vulnerability in the Rancher Manager cluster before 2.14.2 import endpoint /v3/import/{token}_{clusterId}.yaml through unsanitized YAML parameters could allow remote attackers to break out of an image, and execute e.g. malicious containers.
Affected Packages
https://github.com/rancher/rancher.git (GITHUB):
Affected version(s) >=v2.14.0 <v2.14.2Fix Suggestion:
Update to version v2.14.2https://github.com/rancher/rancher.git (GITHUB):
Affected version(s) >=v2.12.0 <v2.12.10Fix Suggestion:
Update to version v2.12.10https://github.com/rancher/rancher.git (GITHUB):
Affected version(s) >=v2.10.0 <v2.10.12Fix Suggestion:
Update to version v2.10.12https://github.com/rancher/rancher.git (GITHUB):
Affected version(s) >=v2.11.0 <v2.11.14Fix Suggestion:
Update to version v2.11.14https://github.com/rancher/rancher.git (GITHUB):
Affected version(s) >=v2.13.0 <v2.13.6Fix Suggestion:
Update to version v2.13.6github.com/rancher/rancher (GO):
Affected version(s) >=v2.10.0 <v2.10.12Fix Suggestion:
Update to version v2.10.12github.com/rancher/rancher (GO):
Affected version(s) >=v2.13.0 <v2.13.6Fix Suggestion:
Update to version v2.13.6github.com/rancher/rancher (GO):
Affected version(s) >=v2.12.0 <v2.12.10Fix Suggestion:
Update to version v2.12.10github.com/rancher/rancher (GO):
Affected version(s) >=v0.0.0-20251008161804-6f0dbb645186 <v0.0.0-20260527190400-f0c1cf1c0977Fix Suggestion:
Update to version v0.0.0-20260527190400-f0c1cf1c0977github.com/rancher/rancher (GO):
Affected version(s) >=v2.11.0 <v2.11.14Fix Suggestion:
Update to version v2.11.14github.com/rancher/rancher (GO):
Affected version(s) >=v2.14.0 <v2.14.2Fix Suggestion:
Update to version v2.14.2Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
EPSS
Base Score:
1.11