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CVE-2026-1784

36
FAUCET Score

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.

First published: Jun 2, 2026Last modified: Jul 19, 2026

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 35th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-cluster-ingress-operator
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-cluster-ingress-rhel9-operator

Vendor Advisories (1)

redhatCVE-2026-1784Important

ose-cluster-ingress-operator: Remote Code Execution Through HAProxy Configuration Injection

Jun 2, 2026

References

security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-1784.json
access.redhat.com / errata/RHSA-2026:23241
access.redhat.com / errata/RHSA-2026:23246
access.redhat.com / errata/RHSA-2026:25045
access.redhat.com / errata/RHSA-2026:25182
access.redhat.com / errata/RHSA-2026:25194
access.redhat.com / errata/RHSA-2026:26543
access.redhat.com / errata/RHSA-2026:28893
access.redhat.com / errata/RHSA-2026:28964
access.redhat.com / security/cve/CVE-2026-1784
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory