CVE-2026-49822
Fission: Cross-namespace event leakage via KubernetesWatchTrigger allows persistent tenant surveillance
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
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 low-privilege developer who could create a KubernetesWatchTrigger (KWT) in their own namespace was able to establish a persistent surveillance channel over any other namespace. This issue has been patched in version 1.24.0.
| CWE | CWE-284 CWE-862 |
| Vendor | fission |
| Product | fission |
| Published | Jun 10, 2026 |
| Last Updated | Jun 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
fission / fission
< 1.24.0