CVE-2026-56743
MediumAdvisory
Published 3 Sept 2026In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.4
- base score, highest
- EPSS
- 0.002
- 16th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 3
- of 17,781 indexed, latest versions
- Container images
- 3
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match
Carried by container images the latest versions of 3 of 17,781 indexed charts deploy, on 3 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| github.com/ | v1.19.0, v1.19.4 | 1.19.5 | 3 |
- OSV records
- GHSA-fm8w-2m5w-9j7r
- Also known as
- BIT-cilium-2026-56743, BIT-cilium-operator-2026-56743, BIT-hubble-relay-2026-56743, GO-2026-6367
Charts affected
3 by stars
Container images carrying it
3 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| kubearmor/ | a08141311045 | github.com/ | 1.19.5 | 1 |
| ghcr.io/ | 50b431281d3e | github.com/ | 1.19.5 | 1 |
| quay.io/ | 58651dce3376 | github.com/ | 1.19.5 | 1 |