Nixpkgs security tracker
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CVE-2026-50564
9.9 CRITICAL
- 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): High (H)
- Availability (A): High (H)
- 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): High (H)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse dismissed
Fission Environment CRD podspec passthrough enables hostPID/hostNetwork/privileged pods, node escape
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 Environment CRD exposes spec.runtime.podSpec and spec.builder.podSpec, which are merged into the Kubernetes pod specs for runtime and builder pods. The merge logic propagated hostNetwork, hostPID, hostIPC, container privileged, and serviceAccountName from the user-supplied podspec with no filtering, and Environment.Validate performed no security-relevant checks on these fields. This issue has been patched in version 1.24.0.
References
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https://github.com/fission/fission/security/advisories/GHSA-gx55-f84r-v3r7 x_refsource_CONFIRM
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https://github.com/fission/fission/pull/3391 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>