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Vulnerability record · CVE-2025-1097 · published 25 March 2025

CVE-2025-1097: Improper input validation vulnerability

A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where the `auth-tls-match-cn` 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.)

8.8 CVSS 3.1 High EPSS 33% · top 1.7% CWE-20 · Improper input validation Deferred
8.8CVSS 3.1 base score
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where the `auth-tls-match-cn` 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.)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://github.com/kubernetes/kubernetes/issues/131007
https://security.netapp.com/advisory/ntap-20250328-0008/
https://www.exploit-db.com/exploits/52475

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Source: NIST National Vulnerability Database (record CVE-2025-1097), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.