HTTP client can remove the X-Forwarded headers in Traefik
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| traefik | traefik | affected |
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Configuration 1 [-]
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| Package | CPE | Advisory | Released Date |
|---|---|---|---|
| Red Hat OpenShift Dev Spaces 3 Containers | |||
| devspaces/code-rhel9:3.21-5 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/configbump-rhel9:3.21-5 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/dashboard-rhel9:3.21-12 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/devspaces-operator-bundle:3.21-25 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/devspaces-rhel9-operator:3.21-6 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/imagepuller-rhel9:3.21-2 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/machineexec-rhel9:3.21-4 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/pluginregistry-rhel9:3.21-7 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/server-rhel9:3.21-11 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces-tech-preview/idea-rhel9:3.21-1 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces-tech-preview/jetbrains-ide-rhel9:3.21-3 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/traefik-rhel9:3.21-1 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/udi-base-rhel9:3.21-2 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
| devspaces/udi-rhel9:3.21-6 | cpe:/a:redhat:openshift_devspaces:3::el9 | RHSA-2025:8244 | 2025-05-28T00:00:00Z |
No data available yet.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-2723 | Traefik is a golang, Cloud Native Application Proxy. When a HTTP request is processed by Traefik, certain HTTP headers such as X-Forwarded-Host or X-Forwarded-Port are added by Traefik before the request is routed to the application. For a HTTP client, it should not be possible to remove or modify these headers. Since the application trusts the value of these headers, security implications might arise, if they can be modified. For HTTP/1.1, however, it was found that some of theses custom headers can indeed be removed and in certain cases manipulated. The attack relies on the HTTP/1.1 behavior, that headers can be defined as hop-by-hop via the HTTP Connection header. This issue has been addressed in release versions 2.11.9 and 3.1.3. Users are advised to upgrade. There are no known workarounds for this vulnerability. |
Github GHSA |
GHSA-62c8-mh53-4cqv | HTTP client can manipulate custom HTTP headers that are added by Traefik |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 1.5% (1.513% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat
Redhat openshift Devspaces |
|
| CPEs | cpe:/a:redhat:openshift_devspaces:3::el9 | |
| Vendors & Products |
Redhat
Redhat openshift Devspaces |
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Traefik
Traefik traefik |
|
| CPEs | cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Traefik
Traefik traefik |
|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | No description is available for this CVE. | Traefik is a golang, Cloud Native Application Proxy. When a HTTP request is processed by Traefik, certain HTTP headers such as X-Forwarded-Host or X-Forwarded-Port are added by Traefik before the request is routed to the application. For a HTTP client, it should not be possible to remove or modify these headers. Since the application trusts the value of these headers, security implications might arise, if they can be modified. For HTTP/1.1, however, it was found that some of theses custom headers can indeed be removed and in certain cases manipulated. The attack relies on the HTTP/1.1 behavior, that headers can be defined as hop-by-hop via the HTTP Connection header. This issue has been addressed in release versions 2.11.9 and 3.1.3. Users are advised to upgrade. There are no known workarounds for this vulnerability. |
| Title | traefik: HTTP client can manipulate custom HTTP headers that are added by Traefik | HTTP client can remove the X-Forwarded headers in Traefik |
| Metrics |
cvssV3_1
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cvssV3_1
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | No description is available for this CVE. | |
| Title | traefik: HTTP client can manipulate custom HTTP headers that are added by Traefik | |
| Weaknesses | CWE-345 CWE-348 |
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| References |
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| Metrics |
threat_severity
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cvssV3_1
|