What is CVE-2026-50569?

CVE-2026-50569 is a medium-severity vulnerability in Fission, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-06-10.

How severe is CVE-2026-50569?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Improper input validation in Fission

CVE-2026-50569

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.25.0, HTTPTriggerSpec.Validate() validated Methods, FunctionReference, Host, I…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Fission — versions < 1.25.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-50569?: CVE-2026-50569 is a medium-severity vulnerability in Fission, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-06-10.
How severe is CVE-2026-50569?: Medium severity. CVSS v3 base score is 4.3 out of 10.