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OpenAdvisories
Medium · 4.9 CVE-2026-50565 EUVD-2026-36101GHSA-8wcj-mfrc-jx5qGO-2026-5850

Fission builder pods auto-mount the fission-builder ServiceAccount token in the user-supplied builder container

Published Jun 10, 2026 · Updated Jun 10, 2026 · Assigned by GitHub_M

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 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.

Affected products

VendorProductAffectedFixed
fission fission < 1.24.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1

Affected packages

EcosystemPackageAffectedFixedRecord
Go github.com/fission/fission < 1.24.0 1.24.0 GHSA-8wcj-mfrc-jx5q

Advisories 1

References