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8 vulnerabilities found for skipper by zalando
CVE-2026-24470 (GCVE-0-2026-24470)
Vulnerability from nvd – Published: 2026-01-26 22:23 – Updated: 2026-01-27 14:51
VLAI
Title
Skipper Ingress Controller Allows Unauthorized Access to Internal Services via ExternalName
Summary
Skipper is an HTTP router and reverse proxy for service composition. Prior to version 0.24.0, when running Skipper as an Ingress controller, users with permissions to create an Ingress and a Service of type ExternalName can create routes that enable them to use Skipper's network access to reach internal services. Version 0.24.0 disables Kubernetes ExternalName by default. As a workaround, developers can allow list targets of an ExternalName and allow list via regular expressions.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/zalando/skipper/security/advis… | x_refsource_CONFIRM |
| https://github.com/zalando/skipper/commit/a4c87ce… | x_refsource_MISC |
| https://kubernetes.io/docs/concepts/services-netw… | x_refsource_MISC |
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CVE-2026-23742 (GCVE-0-2026-23742)
Vulnerability from nvd – Published: 2026-01-16 20:07 – Updated: 2026-01-16 20:24
VLAI
Title
Skipper arbitrary code execution through lua filters
Summary
Skipper is an HTTP router and reverse proxy for service composition. The default skipper configuration before 0.23.0 was -lua-sources=inline,file. The problem starts if untrusted users can create lua filters, because of -lua-sources=inline , for example through a Kubernetes Ingress resource. The configuration inline allows these user to create a script that is able to read the filesystem accessible to the skipper process and if the user has access to read the logs, they an read skipper secrets. This vulnerability is fixed in 0.23.0.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/zalando/skipper/security/advis… | x_refsource_CONFIRM |
| https://github.com/zalando/skipper/commit/0b52894… | x_refsource_MISC |
| https://github.com/zalando/skipper/releases/tag/v0.23.0 | x_refsource_MISC |
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CVE-2022-38580 (GCVE-0-2022-38580)
Vulnerability from nvd – Published: 2022-10-24 00:00 – Updated: 2025-05-07 14:24
VLAI
Summary
Zalando Skipper v0.13.236 is vulnerable to Server-Side Request Forgery (SSRF).
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
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CVE-2022-34296 (GCVE-0-2022-34296)
Vulnerability from nvd – Published: 2022-06-22 12:57 – Updated: 2024-08-03 09:07
VLAI
Summary
In Zalando Skipper before 0.13.218, a query predicate could be bypassed via a prepared request.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/zalando/skipper/releases/tag/v… | x_refsource_MISC |
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CVE-2026-24470 (GCVE-0-2026-24470)
Vulnerability from cvelistv5 – Published: 2026-01-26 22:23 – Updated: 2026-01-27 14:51
VLAI
Title
Skipper Ingress Controller Allows Unauthorized Access to Internal Services via ExternalName
Summary
Skipper is an HTTP router and reverse proxy for service composition. Prior to version 0.24.0, when running Skipper as an Ingress controller, users with permissions to create an Ingress and a Service of type ExternalName can create routes that enable them to use Skipper's network access to reach internal services. Version 0.24.0 disables Kubernetes ExternalName by default. As a workaround, developers can allow list targets of an ExternalName and allow list via regular expressions.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/zalando/skipper/security/advis… | x_refsource_CONFIRM |
| https://github.com/zalando/skipper/commit/a4c87ce… | x_refsource_MISC |
| https://kubernetes.io/docs/concepts/services-netw… | x_refsource_MISC |
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CVE-2026-23742 (GCVE-0-2026-23742)
Vulnerability from cvelistv5 – Published: 2026-01-16 20:07 – Updated: 2026-01-16 20:24
VLAI
Title
Skipper arbitrary code execution through lua filters
Summary
Skipper is an HTTP router and reverse proxy for service composition. The default skipper configuration before 0.23.0 was -lua-sources=inline,file. The problem starts if untrusted users can create lua filters, because of -lua-sources=inline , for example through a Kubernetes Ingress resource. The configuration inline allows these user to create a script that is able to read the filesystem accessible to the skipper process and if the user has access to read the logs, they an read skipper secrets. This vulnerability is fixed in 0.23.0.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/zalando/skipper/security/advis… | x_refsource_CONFIRM |
| https://github.com/zalando/skipper/commit/0b52894… | x_refsource_MISC |
| https://github.com/zalando/skipper/releases/tag/v0.23.0 | x_refsource_MISC |
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CVE-2022-38580 (GCVE-0-2022-38580)
Vulnerability from cvelistv5 – Published: 2022-10-24 00:00 – Updated: 2025-05-07 14:24
VLAI
Summary
Zalando Skipper v0.13.236 is vulnerable to Server-Side Request Forgery (SSRF).
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
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CVE-2022-34296 (GCVE-0-2022-34296)
Vulnerability from cvelistv5 – Published: 2022-06-22 12:57 – Updated: 2024-08-03 09:07
VLAI
Summary
In Zalando Skipper before 0.13.218, a query predicate could be bypassed via a prepared request.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/zalando/skipper/releases/tag/v… | x_refsource_MISC |
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