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CVE-2026-49824
8.5 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Changed (C)
- Confidentiality (C): High (H)
- Integrity (I): Low (L)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Changed (C)
- Modified Integrity (MI): Low (L)
- Modified Availability (MA): None (N)
Activity log
- Created suggestion
Fission: Cross-namespace Environment reference via unvalidated EnvironmentRef in Function admission webhook
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, the Fission Function admission webhook (pkg/webhook/function.go) validated that spec.secrets[].namespace and spec.configmaps[].namespace equalled the function's own namespace but performed no equivalent check on spec.environment.namespace. This issue has been patched in version 1.24.0.
References
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https://github.com/fission/fission/security/advisories/GHSA-cvw6-gfvv-953q x_refsource_CONFIRM
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https://github.com/fission/fission/pull/3389 x_refsource_MISC
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https://github.com/fission/fission/releases/tag/v1.24.0 x_refsource_MISC
Affected products
fission
- ==< 1.24.0
Package maintainers
-
@NeverBehave Xinhao Luo <i@never.pet>