VDB
GHSA-vchx-5pr6-ffx2
GHSA-vchx-5pr6-ffx2
PUBLISHED
CVSS 7.5 HIGH
Flannel has cross-node remote code execution via extension backend BackendData injection
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| chainguard | k3s | 0, 0, 0 |
| github.com | flannel-io/flannel | 0 |
| wolfi | k3s-1.32 | 0, 0, 0 |
| wolfi | k3s | 0, 0, 0 |
| chainguard | k3s-1.32 | 0, 0, 0 |
Timeline
- Mar 27, 2026 CVE Published
- Mar 27, 2026 CVE Updated
- Apr 9, 2026 Security Advisory
References
- https://github.com/flannel-io/flannel/releases/tag/v0.28.2 fix
- https://github.com/flannel-io/flannel/security/advisories/GHSA-vchx-5pr6-ffx2 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-32241 advisory
- https://github.com/flannel-io/flannel package
- https://github.com/flannel-io/flannel/commit/08bc9a4c990ae785d2fcb448f4991b58485cd26a fix