Auth bypass in Fission
CVE-2026-46612
Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.23.0, the Fission storagesvc component registers archive CRUD handlers (/v1/ar…
Vulnerability class: Broken Authentication
EPSS: 0.003 (27.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Fission — versions < 1.23.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- 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-2026-46612?
- CVE-2026-46612 is a high-severity vulnerability in Fission, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2026-06-10.
- How severe is CVE-2026-46612?
- High severity. CVSS v3 base score is 8.8 out of 10.