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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat Red Hat OpenShift Container Platform 4.12
Default version status: affected
1789911929 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.13
Default version status: affected
1781123014 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.14
Default version status: affected
1781870101 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.15
Default version status: affected
1781928857 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.16
Default version status: affected
1780962617 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.18
Default version status: affected
1780988280 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.19
Default version status: affected
1780043338 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.20
Default version status: affected
1780990977 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.21
Default version status: affected
1780444348 to < *unaffected
References
- https://access.redhat.com/errata/RHSA-2026:23241 ↗
- https://access.redhat.com/errata/RHSA-2026:23246 ↗
- https://access.redhat.com/errata/RHSA-2026:25045 ↗
- https://access.redhat.com/errata/RHSA-2026:25182 ↗
- https://access.redhat.com/errata/RHSA-2026:25194 ↗
- https://access.redhat.com/errata/RHSA-2026:26543 ↗
- https://access.redhat.com/errata/RHSA-2026:28893 ↗
- https://access.redhat.com/errata/RHSA-2026:28964 ↗
- https://access.redhat.com/errata/RHSA-2026:70647 ↗
- https://access.redhat.com/security/cve/CVE-2026-1784 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2436075 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1784.json ↗