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.
- Published
- Jun 2, 2026
- Updated
- Sep 10, 2026
- EPSS
- 0.2% · 8th percentile
- CWE
- CWE-15
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Report tools
Action score
35
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · redhat
- 8.8
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| redhat | openshift container platform | cpe:2.3:a:redhat:openshift_container_platform |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- redhat openshift container platform4.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.
Red Hat Red Hat OpenShift Container Platform 4.13
- 1781123014 and laternot affected · rpm
Red Hat Red Hat OpenShift Container Platform 4.14
- 1781870101 and laternot affected · rpm
Red Hat Red Hat OpenShift Container Platform 4.15
- 1781928857 and laternot affected · rpm
Red Hat Red Hat OpenShift Container Platform 4.16
- 1780962617 and laternot affected · rpm
Red Hat Red Hat OpenShift Container Platform 4.18
- 1780988280 and laternot affected · rpm
Red Hat Red Hat OpenShift Container Platform 4.19
- 1780043338 and laternot affected · rpm
Red Hat Red Hat OpenShift Container Platform 4.20
- 1780990977 and laternot affected · rpm
Red Hat Red Hat OpenShift Container Platform 4.21
- 1780444348 and laternot affected · rpm
Same product
redhat: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-7481Ansible before versions 2.3.1.0 and 2.4.0.0 fails to properly mark lookup-plugin results as unsafe.40Plan
- CVE-2018-1085openshift-ansible before versions 3.9.23, 3.7.46 deploys a misconfigured etcd file that causes the SSL client certificate authentication to 40Plan
- CVE-2020-27836A flaw was found in cluster-ingress-operator.39Monitor
- CVE-2019-3899It was found that default configuration of Heketi does not require any authentication potentially exposing the management interface to misus39Monitor
- CVE-2026-54099Windows-machine-config-operator: windows-machine-config-operator: wicd csr extra-organization allows privilege escalation to system:masters35Monitor
- CVE-2021-20182A privilege escalation flaw was found in openshift4/ose-docker-builder.35Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2025-8283309 days apartNetavark: podman: netavark may resolve hostnames to unexpected hosts14Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
- CVE-2026-465794 days apartOpenshift/router: openshift/router: mtls client certificate spoofing via unstripped x-ssl-client headers on http frontend30Monitor
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-15 · External Control of System or Configuration SettingCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Subverting Environment Variable ValuesCAPEC-13likelihood: High · Very High
- XML Schema PoisoningCAPEC-146likelihood: Low · High
- Configuration/Environment ManipulationCAPEC-176Medium
- Manipulate Registry InformationCAPEC-203Medium
- Modification of Registry Run KeysCAPEC-270likelihood: Medium · Medium
- Schema PoisoningCAPEC-271likelihood: Low · High
- Replace Winlogon Helper DLLCAPEC-579
- Target Programs with Elevated PrivilegesCAPEC-69likelihood: High · Very High
ATT&CK techniques
- Modify RegistryT1112
- Boot or Logon Autostart Execution: Registry Run Keys / Start FolderT1547.001
- Boot or Logon Autostart Execution: Winlogon helper DLLT1547.004
- Boot or Logon Autostart Execution: ActiveT1547.014
- Impair Defenses:Impair Command History LoggingT1562.003
- Hijack Execution Flow:Dynamic Linker HijackingT1574.006
- Hijack Execution Flow:Path Interception by PATH Environment VariableT1574.007
- Plist ModificationT1647
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- 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
- bugzilla.redhat.com/show_bug.cgi?id=2436075
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1784.json
Vendor advisories and official records. Exploit/PoC links are deliberately left out.