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CVE-2026-1784— Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection

Quick assessment

Affected
Red Hat Red Hat OpenShift Container Platform 4.13
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.

Red Hat OpenShift Container Platform是美国红帽（Red Hat）公司的一套可帮助企业在物理、虚拟和公共云基础架构之间开发、部署和管理现有基于容器的应用程序的应用平台。 Red Hat OpenShift Container Platform存在安全漏洞，该漏洞源于对spec.path YAML字段的检查不足，可能导致HAProxy配置注入。

CVSS 8.8 · High EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 8

VendorProduct Version RangeStatus
Red Hat Red Hat OpenShift Container Platform 4.13 1781123014< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.14 1781870101< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.15 1781928857< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.16 1780962617< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.18 1780988280< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.19 1780043338< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.2 1780990977< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.21 1780444348< * unaffected
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I. Basic Information for CVE-2026-1784

Vulnerability Information
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Vulnerability Title
Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
Source: CVE Program / CVE List V5
Vulnerability Description
The Route OpenShift resource allows to define routes to make pods reachable at a subdomain through HAProxy. It was found that the checks performed on the spec.path YAML stanza in a Route document was insufficient and could allow a controlled injection of the HAProxy configuration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
系统设置或配置在外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat OpenShift Container Platform 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat OpenShift Container Platform是美国红帽（Red Hat）公司的一套可帮助企业在物理、虚拟和公共云基础架构之间开发、部署和管理现有基于容器的应用程序的应用平台。 Red Hat OpenShift Container Platform存在安全漏洞，该漏洞源于对spec.path YAML字段的检查不足，可能导致HAProxy配置注入。
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
Red Hat Red Hat OpenShift Container Platform 4.13 1781123014 ~ * cpe:/a:redhat:openshift:4.13::el9
Red Hat Red Hat OpenShift Container Platform 4.14 1781870101 ~ * cpe:/a:redhat:openshift:4.14::el9
Red Hat Red Hat OpenShift Container Platform 4.15 1781928857 ~ * cpe:/a:redhat:openshift:4.15::el9
Red Hat Red Hat OpenShift Container Platform 4.16 1780962617 ~ * cpe:/a:redhat:openshift:4.16::el9
Red Hat Red Hat OpenShift Container Platform 4.18 1780988280 ~ * cpe:/a:redhat:openshift:4.18::el9
Red Hat Red Hat OpenShift Container Platform 4.19 1780043338 ~ * cpe:/a:redhat:openshift:4.19::el9
Red Hat Red Hat OpenShift Container Platform 4.2 1780990977 ~ * cpe:/a:redhat:openshift:4.20::el9
Red Hat Red Hat OpenShift Container Platform 4.21 1780444348 ~ * cpe:/a:redhat:openshift:4.21::el9

II. Public POCs for CVE-2026-1784

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III. Intelligence Information for CVE-2026-1784

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Vendor Advisories for CVE-2026-1784 (5)

Other References for CVE-2026-1784 (2)

IV. Related Vulnerabilities

Same product: Red Hat OpenShift Container Platform 4.13
Same vendor: Red Hat
Same weakness: CWE-15

V. Comments for CVE-2026-1784

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