Auth bypass in Kubeedge
CVE-2026-82473
KubeEdge CloudCore through 1.23.1 accepts node task status reports on its HTTPS server without authentication verification. Attackers can reach CloudCore on port 10002 to mark upgrade jobs as succeeded or failed, deceiving the control plane about node upgrade status and blocking further upgrade scheduling.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.006 (49.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.003
Affected products
Weakness classification (CWE)
References
- github.com/geo-chen/oss/blob/main/kubeedge.md (technical-description, exploit)
- github.com/kubeedge/kubeedge/blob/v1.23.1/cloud/pkg/cloudhub/servers/httpserver… (technical-description)
- github.com/kubeedge/kubeedge/blob/v1.23.1/cloud/pkg/cloudhub/servers/httpserver… (technical-description)
- github.com/kubeedge/kubeedge (product)
- www.vulncheck.com/advisories/kubeedge-cloudcore-through-1.23.1-missing-authenti… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82473?
- CVE-2026-82473 is a high-severity vulnerability in Kubeedge, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2026-08-29.
- How severe is CVE-2026-82473?
- High severity. CVSS v3 base score is 8.2 out of 10.