8.8
HIGH CVSS 3.1
CVE-2026-1784
Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
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.

INFO

Published Date :

June 2, 2026, 9:16 a.m.

Last Modified :

June 2, 2026, 9:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-1784 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat openshift_container_platform
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 53f830b8-0a3f-465b-8143-3b8a9948e749
CVSS 3.1 HIGH [email protected]
Solution
Update HAProxy configuration and ensure proper validation of route paths.
  • Update HAProxy to validate route path configurations.
  • Apply necessary patches to OpenShift.
  • Review and sanitize all HAProxy configurations.
  • Implement stricter input validation for route paths.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-1784.

URL Resource
https://access.redhat.com/security/cve/CVE-2026-1784
https://bugzilla.redhat.com/show_bug.cgi?id=2436075
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-1784 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-1784 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-1784 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 02, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    Added CWE CWE-15
    Added Reference https://access.redhat.com/security/cve/CVE-2026-1784
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2436075
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.