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4 vulnerabilities found for nginx_ingress_controller by kubernetes
CVE-2026-4342 (GCVE-0-2026-4342)
Vulnerability from nvd – Published: 2026-03-19 21:50 – Updated: 2026-03-21 04:01
VLAI
Title
ingress-nginx comment-based nginx configuration injection
Summary
A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kubernetes | ingress-nginx |
Affected:
0 , < 1.13.9
(semver)
Affected: 0 , < 1.14.5 (semver) Affected: 0 , < 1.15.1 (semver) |
Date Public
2026-03-19 14:00
Credits
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CVE-2018-1002104 (GCVE-0-2018-1002104)
Vulnerability from nvd – Published: 2020-01-14 20:15 – Updated: 2024-09-16 21:07
VLAI
Summary
Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.
Severity
5.3 (Medium)
CWE
- CWE-215 - Information Exposure Through Debug Information
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/kubernetes/ingress-nginx/pull/3125 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kubernetes | k8s.gcr.io/defaultbackend |
Affected:
defaultbackend , < 1.5
(custom)
|
Date Public
2018-09-25 00:00
Credits
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CVE-2026-4342 (GCVE-0-2026-4342)
Vulnerability from cvelistv5 – Published: 2026-03-19 21:50 – Updated: 2026-03-21 04:01
VLAI
Title
ingress-nginx comment-based nginx configuration injection
Summary
A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kubernetes | ingress-nginx |
Affected:
0 , < 1.13.9
(semver)
Affected: 0 , < 1.14.5 (semver) Affected: 0 , < 1.15.1 (semver) |
Date Public
2026-03-19 14:00
Credits
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CVE-2018-1002104 (GCVE-0-2018-1002104)
Vulnerability from cvelistv5 – Published: 2020-01-14 20:15 – Updated: 2024-09-16 21:07
VLAI
Summary
Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.
Severity
5.3 (Medium)
CWE
- CWE-215 - Information Exposure Through Debug Information
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/kubernetes/ingress-nginx/pull/3125 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kubernetes | k8s.gcr.io/defaultbackend |
Affected:
defaultbackend , < 1.5
(custom)
|
Date Public
2018-09-25 00:00
Credits
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"reference_data": [
{
"name": "https://github.com/kubernetes/ingress-nginx/pull/3125",
"refsource": "CONFIRM",
"url": "https://github.com/kubernetes/ingress-nginx/pull/3125"
}
]
},
"source": {
"defect": [
"https://github.com/kubernetes/ingress-nginx/issues/1733"
],
"discovery": "USER"
},
"work_around": [
{
"lang": "en",
"value": "Mask the /metrics endpoint with an Ingress rule so that metrics aren\u0027t exposed publicly. See https://github.com/kubernetes/ingress-nginx/issues/1733#issuecomment-358492359"
}
]
}
}
},
"cveMetadata": {
"assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
"assignerShortName": "kubernetes",
"cveId": "CVE-2018-1002104",
"datePublished": "2020-01-14T20:15:17.491Z",
"dateReserved": "2018-12-05T00:00:00.000Z",
"dateUpdated": "2024-09-16T21:07:22.919Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}