PT-2026-48504 · Fission · Fission

CVE-2026-49822

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Published

2026-06-10

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Updated

2026-07-30

CVSS v3.1

7.7

High

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions Fission versions prior to 1.24.0
Description Fission is an open-source, Kubernetes-native serverless framework used for deploying functions and applications on Kubernetes. A flaw exists where a low-privilege developer with permissions to create a KubernetesWatchTrigger (KWT) within their own namespace can establish a persistent surveillance channel to monitor any other namespace, leading to cross-namespace event leakage.
Recommendations Update to version 1.24.0.

Exploit

Fix

Missing Authorization

Improper Access Control

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Weakness Enumeration

Related Identifiers

CVE-2026-49822
GHSA-GC3J-79F2-7VVW
GO-2026-5854
OPENSUSE-SU-2026:21483-1

Affected Products

Fission