CVE-2026-1784
HIGHOse-cluster-ingress-operator: remote code execution through haproxy configuration injection
Title source: cnaDescription
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.
References (4)
Core 4
Core References
Vdb Entry, X_Refsource_Redhat vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-1784
Issue Tracking, X_Refsource_Redhat issue-tracking
x_refsource_redhat
RHBZ#2436075
https://bugzilla.redhat.com/show_bug.cgi?id=2436075
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:23246
https://access.redhat.com/errata/RHSA-2026:23246
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:23241
https://access.redhat.com/errata/RHSA-2026:23241
Scores
CVSS v3
8.8
EPSS
0.0014
EPSS Percentile
3.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-15
Status
published
Products (4)
Red Hat/Red Hat OpenShift Container Platform 4
Red Hat/Red Hat OpenShift Container Platform 4.19
1780043338
Red Hat/Red Hat OpenShift Container Platform 4.21
1780444348
redhat/openshift_container_platform
4.0
Published
Jun 02, 2026
Tracked Since
Jun 02, 2026