What is CVE-2026-49824?

CVE-2026-49824 is a high-severity vulnerability in Fission, classified under Improper Access Control. CVSS score: 8.5/10. Published 2026-06-10.

How severe is CVE-2026-49824?

High severity. CVSS v3 base score is 8.5 out of 10.

Auth bypass in Fission

CVE-2026-49824

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 Fission Function admission webhook (pkg/webhook/function.go) validat…

EPSS: 0.002 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

Affected products

Fission — versions < 1.24.0

Weakness classification (CWE)

CWE-284 — Improper Access Control
CWE-863 — Incorrect Authorization

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-2026-49824?: CVE-2026-49824 is a high-severity vulnerability in Fission, classified under Improper Access Control. CVSS score: 8.5/10. Published 2026-06-10.
How severe is CVE-2026-49824?: High severity. CVSS v3 base score is 8.5 out of 10.