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CVE-2026-50565
4.9 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): High (H)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): None (N)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): High (H)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): None (N)
Activity log
- Created suggestion
Fission builder pods auto-mount the fission-builder ServiceAccount token in the user-supplied builder container
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 builder pods were created with ServiceAccountName: fission-builder and no AutomountServiceAccountToken: false, so the kubelet auto-mounted the service-account token into every container in the pod — including the user-supplied builder image. This issue has been patched in version 1.24.0.
References
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https://github.com/fission/fission/security/advisories/GHSA-8wcj-mfrc-jx5q x_refsource_CONFIRM
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https://github.com/fission/fission/pull/3390 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>