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4 vulnerabilities found for openshift_router by redhat
CVE-2026-46579 (GCVE-0-2026-46579)
Vulnerability from nvd – Published: 2026-05-29 09:50 – Updated: 2026-06-30 12:10
VLAI
Title
Openshift/router: openshift/router: mtls client certificate spoofing via unstripped x-ssl-client headers on http frontend
Summary
A flaw was found in the OpenShift Router. When a Route has `insecureEdgeTerminationPolicy` set to Allow, the HTTP frontend does not remove `X-SSL-Client-*` headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted `X-SSL-Client-*` headers. As a result, backends relying on these headers for mutual TLS (Transport Layer Security) authentication can be bypassed, enabling the attacker to impersonate client certificate identities.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:27009 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27044 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27063 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-46579 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2483181 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat OpenShift Container Platform 4.20 |
Unaffected:
1781639027 , < *
(rpm)
cpe:/a:redhat:openshift:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.21 |
Unaffected:
1781552170 , < *
(rpm)
cpe:/a:redhat:openshift:4.21::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.22 |
Unaffected:
1781643967 , < *
(rpm)
cpe:/a:redhat:openshift:4.22::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.20 |
cpe:/a:redhat:openshift:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.21 |
cpe:/a:redhat:openshift:4.21::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.22 |
cpe:/a:redhat:openshift:4.22::el9 |
Date Public
2026-04-17 20:10
Credits
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CVE-2026-42965 (GCVE-0-2026-42965)
Vulnerability from nvd – Published: 2026-05-29 09:50 – Updated: 2026-06-30 12:08
VLAI
Title
Openshift/router: openshift/router: cloud metadata ssrf via fqdn-typed endpointslice bypasses destination validation
Summary
A flaw was found in the OpenShift Router. A user with EndpointSlice write access can exploit this vulnerability by creating a Service backed by an FQDN (Fully Qualified Domain Name) EndpointSlice that resolves to a cloud metadata endpoint. This allows the router to proxy requests to the cloud metadata endpoint, leading to the disclosure of instance credentials and other sensitive metadata. This bypasses previous security measures for validating IP addresses.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-42965 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2483184 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
Date Public
2026-04-17 21:46
Credits
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CVE-2026-42965 (GCVE-0-2026-42965)
Vulnerability from cvelistv5 – Published: 2026-05-29 09:50 – Updated: 2026-06-30 12:08
VLAI
Title
Openshift/router: openshift/router: cloud metadata ssrf via fqdn-typed endpointslice bypasses destination validation
Summary
A flaw was found in the OpenShift Router. A user with EndpointSlice write access can exploit this vulnerability by creating a Service backed by an FQDN (Fully Qualified Domain Name) EndpointSlice that resolves to a cloud metadata endpoint. This allows the router to proxy requests to the cloud metadata endpoint, leading to the disclosure of instance credentials and other sensitive metadata. This bypasses previous security measures for validating IP addresses.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-42965 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2483184 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
Date Public
2026-04-17 21:46
Credits
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CVE-2026-46579 (GCVE-0-2026-46579)
Vulnerability from cvelistv5 – Published: 2026-05-29 09:50 – Updated: 2026-06-30 12:10
VLAI
Title
Openshift/router: openshift/router: mtls client certificate spoofing via unstripped x-ssl-client headers on http frontend
Summary
A flaw was found in the OpenShift Router. When a Route has `insecureEdgeTerminationPolicy` set to Allow, the HTTP frontend does not remove `X-SSL-Client-*` headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted `X-SSL-Client-*` headers. As a result, backends relying on these headers for mutual TLS (Transport Layer Security) authentication can be bypassed, enabling the attacker to impersonate client certificate identities.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:27009 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27044 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27063 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-46579 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2483181 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat OpenShift Container Platform 4.20 |
Unaffected:
1781639027 , < *
(rpm)
cpe:/a:redhat:openshift:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.21 |
Unaffected:
1781552170 , < *
(rpm)
cpe:/a:redhat:openshift:4.21::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.22 |
Unaffected:
1781643967 , < *
(rpm)
cpe:/a:redhat:openshift:4.22::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.20 |
cpe:/a:redhat:openshift:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.21 |
cpe:/a:redhat:openshift:4.21::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.22 |
cpe:/a:redhat:openshift:4.22::el9 |
Date Public
2026-04-17 20:10
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