CVE-2026-26963
MediumAdvisory
Published 19 Feb 2026In the index since 13 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 6.1
- base score, highest
- EPSS
- 0.001
- 3rd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 1
- of 17,781 indexed, latest versions
- Container images
- 3
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled
Carried by container images the latest versions of 1 of 17,781 indexed charts deploy, on 3 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| github.com/ | v1.18.2 | 1.18.6 | 3 |
- OSV records
- GHSA-5r23-prx4-mqg3
- Also known as
- BIT-cilium-2026-26963, BIT-cilium-operator-2026-26963, BIT-hubble-relay-2026-26963, GO-2026-4522
Charts affected
1 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 |
|---|---|---|---|---|
| quay.io/ | 858f807ea4e2 | github.com/ | 1.18.6 | 1 |
| quay.io/ | 6079308ee15e | github.com/ | 1.18.6 | 1 |
| quay.io/ | cb4e4ffc5789 | github.com/ | 1.18.6 | 1 |