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Bump kube-router Go and deps to fix CVEs - #353

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jnummelin merged 2 commits into
k0sproject:mainfrom
ncopa:bump-kube-router-cve-fixes
Aug 25, 2026
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Bump kube-router Go and deps to fix CVEs#353
jnummelin merged 2 commits into
k0sproject:mainfrom
ncopa:bump-kube-router-cve-fixes

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@ncopa

@ncopa ncopa commented Aug 14, 2026

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Bump the Go build image to 1.26.6 and add dependency overrides for
grpc (both gobgp and kube-router builds) and the gobgp/v4 library
kube-router imports, since upstream v2.10.0 hasn't picked them up yet.
Verified with trivy: 0 vulnerabilities against the rebuilt image.

Fixes:

ncopa added 2 commits August 14, 2026 15:12
v2.10.0-iptables1.8.13-k0s.1 -> v2.10.0-iptables1.8.13-k0s.2

Signed-off-by: Natanael Copa <ncopa@mirantis.com>
Bump the Go build image to 1.26.6 and add dependency overrides for
grpc (both gobgp and kube-router builds) and the gobgp/v4 library
kube-router imports, since upstream v2.10.0 hasn't picked them up yet.
Verified with trivy: 0 vulnerabilities against the rebuilt image.

Fixes:
- Go stdlib: CVE-2026-39821, CVE-2026-46600, CVE-2026-33818,
  CVE-2026-56853, CVE-2026-56858, CVE-2026-56859, CVE-2026-56860,
  CVE-2026-56862 (golang:1.26.5-alpine3.24 -> golang:1.26.6-alpine3.24,
  affects iptables-wrapper, gobgp, kube-router)
- google.golang.org/grpc: GHSA-hrxh-6v49-42gf (gobgp v1.79.3 -> v1.82.1,
  kube-router v1.81.1 -> v1.82.1)
- github.com/osrg/gobgp/v4 (library import in kube-router, distinct
  from the standalone gobgp binary): CVE-2026-49837, CVE-2026-49838
  (v4.5.0 -> v4.7.0)

Signed-off-by: Natanael Copa <ncopa@mirantis.com>
@jnummelin
jnummelin merged commit 3983f21 into k0sproject:main Aug 25, 2026
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2 participants