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CVE-2026-44939— Command injection through unsanitized YAML parameter in Rancher

Quick assessment

Affected
SUSE Rancher
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SUSE rancher是德国SUSE公司开源的一套容器管理平台。 SUSE Rancher存在代码注入漏洞，该漏洞源于通过未清理的YAML参数的import端点存在命令注入，可能导致远程攻击者脱离镜像并执行恶意容器。

AI Predicted 8.6 Difficulty: Easy EPSS 1.31% · P70

Affected Version Matrix 5

VendorProduct Version RangeStatus
SUSE Rancher 2.14.0< 2.14.2 affected
2.13.0< 2.13.6 affected
2.12.0< 2.12.10 affected
2.11.0< 2.11.14 affected
2.10.0< 2.10.12 affected
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I. Basic Information for CVE-2026-44939

Vulnerability Information
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Vulnerability Title
Command injection through unsanitized YAML parameter in Rancher
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
动态执行代码中指令转义处理不恰当(Eval注入)
Source: CVE Program / CVE List V5
Vulnerability Title
SUSE rancher 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SUSE rancher是德国SUSE公司开源的一套容器管理平台。 SUSE Rancher存在代码注入漏洞，该漏洞源于通过未清理的YAML参数的import端点存在命令注入，可能导致远程攻击者脱离镜像并执行恶意容器。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SUSE Rancher 2.14.0 ~ 2.14.2 -

II. Public POCs for CVE-2026-44939

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III. Intelligence Information for CVE-2026-44939

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Vendor Advisories for CVE-2026-44939 (1)

IV. Related Vulnerabilities

Same product: Rancher
Same vendor: SUSE
Same weakness: CWE-95

V. Comments for CVE-2026-44939

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