High severity · published Jun 2, 2026
CVE-2026-1784
Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
8.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat OpenShift Container Platform 4.12 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat OpenShift Container Platform 4.13 · Red Hat
All versions, or not specified · source: vendor, CISA
RH
Red Hat OpenShift Container Platform 4.14 · Red Hat
All versions, or not specified · source: vendor, CISA
RH
Red Hat OpenShift Container Platform 4.15 · Red Hat
All versions, or not specified · source: vendor, CISA
RH
Red Hat OpenShift Container Platform 4.16 · Red Hat
All versions, or not specified · source: vendor, CISA
RH
Red Hat OpenShift Container Platform 4.18 · Red Hat
All versions, or not specified · source: vendor, CISA
RH
Red Hat OpenShift Container Platform 4.19 · Red Hat
All versions, or not specified · source: vendor, CISA
RH
Red Hat OpenShift Container Platform 4.20 · Red Hat
All versions, or not specified · source: vendor, CISA
RH
Red Hat OpenShift Container Platform 4.21 · Red Hat
All versions, or not specified · source: vendor, CISA
OC
Openshift Container Platform · Redhat
4.0 · source: NVD
Affected product
RH
Red Hat OpenShift Container Platform 4.12
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1784
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1784
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:23241
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:23246
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:25045
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:25182
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:25194
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:26543
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