CVE-2026-49821

CVE-2026-49821

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…

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49821?
CVE-2026-49821 is a high-severity vulnerability, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 7.7/10. Published 2026-06-10.
How severe is CVE-2026-49821?
High severity. CVSS v3 base score is 7.7 out of 10.