All vulnerabilities

Servers and applications

CVE-2021-25748

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use a newline character to bypass the sanitization of the `spec.rules[].http.paths[].path` field of an Ingress object (in the `networking.k8s.io` or `extensions` API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access…

Severity
Medium 6.5
Published
24 May 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.2.1
Sources
NVD

Affected software

SoftwareAffected versions
Ingress NGINX ControllerServers and applications · cpe:a:kubernetes:ingress-nginx
  • Every version before 1.2.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-25748
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-25748