CVE-2026-1580
ingress-nginx auth-method nginx configuration injection
Description
A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-method` Ingress annotation 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.)
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
ООО «Ред Софт»
commercial·RUaka red soft
The Kubernetes Authors
oss-projectaka kubernetes
Go
package-ecosystem
Kubernetes
oss-project·USaka k8s
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Initial Access
References
https://github.com/kubernetes/kubernetes/issues/136677
github.com
https://github.com/kubernetes/kubernetes/issues/136677
github.com
https://redos.red-soft.ru/search/?iblock_id=24&q=CVE-2026-1580
redos.red-soft.ru
and 2 more references View all →
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