OpenShift Route Path YAML Injection Enables HAProxy Config Manipulation
CVE-2026-1784 Published on June 2, 2026
Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
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.
Vulnerability Analysis
CVE-2026-1784 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Timeline
Reported to Red Hat.
Made public. 120 days later.
Weakness Type
External Control of System or Configuration Setting
One or more system settings or configuration elements can be externally controlled by a user. Allowing external control of system settings can disrupt service or cause an application to behave in unexpected, and potentially malicious ways.
Products Associated with CVE-2026-1784
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