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CVE-2026-44939

35
FAUCET Score

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.

First published: Jun 19, 2026Last modified: Jun 19, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.10.0, < 2.10.12CPE match
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*
>= 2.11.0, < 2.11.14CPE match
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*
>= 2.12.0, < 2.12.10CPE match
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*
>= 2.13.0, < 2.13.6CPE match
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*
>= 2.14.0, < 2.14.2CPE match
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

9.4CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
HIGH
SS Integrity
HIGH
SS Availability
HIGH
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.28%
Probability of exploitation in next 30 days
EPSS Percentile
67.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0128 is in the 73rd percentile among its peer group of 834 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.14.2
gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.13.6
gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.12.10
gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.11.14
gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.10.12
gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 0.0.0-20260617231817-2aa77eb283e7

Vendor Advisories (1)

goGHSA-mhc6-2gfq-xx62critical

Rancher vulnerable to command injection through unsanitized YAML parameter

Jul 1, 2026

References

github.com / rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62