CVE-2026-49821
High
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.
SeverityHigh
CVSS7.7
Exploit probability—
ProductGithub.com/fission/fission
PublishedJun 10, 2026
First seenJun 10, 2026
Weakness typeCWE-441CWE-441CWE-862Missing authorization
How to fix
Update
- github.com/fission/fission1.24.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/fission/fissionGo | v < 1.24.0 | 1.24.0 |
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