CVE-2025-1098

ingress-nginx controller - configuration injection via unsanitized mirror annotations

Description

A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where the `mirror-target` and `mirror-host` Ingress annotations can be used to inject arbitrary 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.)

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 27.95% Top 5%
Affected: kubernetes ingress-nginx
Published at:
Updated at:

References

Link Tags
https://github.com/kubernetes/kubernetes/issues/131008

Frequently Asked Questions

What is the severity of CVE-2025-1098?
CVE-2025-1098 has been scored as a high severity vulnerability.
How to fix CVE-2025-1098?
To fix CVE-2025-1098, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-1098 being actively exploited in the wild?
It is possible that CVE-2025-1098 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~28% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-1098?
CVE-2025-1098 affects kubernetes ingress-nginx.
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