Vulnerability Description
Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, a Fission Function spec carries three reference types — Secret, ConfigMap, and Package. The first two were namespace-validated by the admission webhook; PackageRef.Namespace was not. This issue has been patched in version 1.24.0.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/fission/fission/pull/3389
- https://github.com/fission/fission/releases/tag/v1.24.0
- https://github.com/fission/fission/security/advisories/GHSA-3r8v-2xmj-5c39
FAQ
What is CVE-2026-49823?
CVE-2026-49823 is a vulnerability with a CVSS score of 7.7 (HIGH). Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, a Fission Function spec carries t...
How severe is CVE-2026-49823?
CVE-2026-49823 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-49823?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.