PT-2026-48507 · Fission · Fission

Published 2026-06-10 · Updated 2026-06-10 · CVE-2026-50545

NVD

CVSS v3.1

9.9

Critical

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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 Environment.spec.runtime.podSpec / spec.builder.podSpec passthrough lacked validation, and MergePodSpec propagated dangerous fields into the generated pods. This issue has been patched in version 1.24.0.

Fix

Improper Privilege Management

Improper Access Control

Protection Mechanism Failure

Weakness Enumeration

CWE-269

CWE-284

CWE-693

Related Identifiers

CVE-2026-50545

Affected Products

Fission

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-50545 · Security Note
• https://github.com/fission/fission/releases/tag/v1.24.0 · Note
• https://github.com/fission/fission/pull/3391 · Note
• https://github.com/fission/fission/security/advisories/GHSA-wmgg-3p4h-48x7 · Note
• https://github.com/fission/fission/pull/3390 · Note