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, Fission's buildermgr controller processed Package CRDs without verifying that Package.spec.environment.namespace matched Package.metadata.namespace. This issue has been patched in version 1.24.0.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/fission/fission/pull/3379
- https://github.com/fission/fission/releases/tag/v1.24.0
- https://github.com/fission/fission/security/advisories/GHSA-vjhc-cf4p-72q4
FAQ
What is CVE-2026-49821?
CVE-2026-49821 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, Fission's buildermgr controller p...
How severe is CVE-2026-49821?
CVE-2026-49821 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-2026-49821?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.