connaisseur

Chart · Security & supply chain · standard · v0.0.2

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64Rebuilt 2026-10-05

Connaisseur, the Kubernetes admission controller that verifies container image signatures (Cosign/Sigstore, Notary v1 and v2) against trust roots before a pod is admitted, with per-image policy rules. Serves HTTPS on 5000 with /mutate, /health and /metrics; config and certificates are mounted under /app.

Version

0.0.2 · latest 0.0.1

The latest line lives at the base page; older lines have their own page so you can pin and verify exactly that version.

Deployed image digest

sha256:8111fa613c5c91c2185180a0cf5479ca378fbd6f8482d1232e7ec1ca3159f9cb

Chart OCI version

oci://ghcr.io/quenchworks/charts/connaisseur:0.0.2

The chart pins its image by this signed digest, so you never track it yourself. Signatures, SBOM, and provenance attach to the same digest.

Signed

cosign keyless

SBOM

SPDX, on image

Provenance

SLSA build

Architectures

amd64, arm64

Runs as

nonroot (uid 1001)

Root filesystem

read-only

Image size

26.9 MB

Security report (Trivy)

D· 74/1004 open · no upstream fix yet

Vulnerability detail

connaisseur 3.13.0 · 4 CVE

CVE	Severity	Package	Installed	Fixed in	Title
CVE-2026-41567	HIGH	github.com/docker/docker	v28.5.2+incompatible	— not fixable	docker: Moby/Docker Engine: Arbitrary Code Execution via malicious container image and compressed archive upload
CVE-2026-42306	HIGH	github.com/docker/docker	v28.5.2+incompatible	— not fixable	github.com/docker/docker: github.com/moby/moby: Moby container framework: Host file overwrite via race condition in docker cp mount setup
CVE-2026-41568	MEDIUM	github.com/docker/docker	v28.5.2+incompatible	— not fixable	github.com/docker/docker: github.com/moby/moby: Moby: Denial of Service via race condition in docker cp mount setup
GO-2026-5932	UNKNOWN	golang.org/x/crypto	v0.56.0	— not fixable	The golang.org/x/crypto/openpgp package is unmaintained, unsafe by design, and has known security issues

Critical

High

Medium

Low

Unknown

Security report (Trivy) · image connaisseur 3.13.0

Install the chart

Deploy to Kubernetes with hardened defaults. The chart pins its image by signed digest, so you never track it yourself.

Install (latest)

helm install my-connaisseur oci://ghcr.io/quenchworks/charts/connaisseur --version 0.0.2

Deploys image (digest-pinned)

ghcr.io/quenchworks/images/connaisseur@sha256:8111fa613c5c91c2185180a0cf5479ca378fbd6f8482d1232e7ec1ca3159f9cb

Chart version: 0.0.2
App version: 3.13.0
Chart license: Apache-2.0
App license: Apache-2.0
Service port: 443
Signed: cosign (keyless)
Values schema: yes
Last published: 2026-10-05

Verify the chart

cosign verify ghcr.io/quenchworks/charts/connaisseur:0.0.2 \
  --certificate-identity-regexp 'https://github.com/quenchworks/.+' \
  --certificate-oidc-issuer https://token.actions.githubusercontent.com

Transparency

The chart publishes its attestations on GitHub and the image it deploys carries its own on the same digest, publicly verifiable with the commands above. Both log to the Sigstore transparency log (Rekor), which cosign verify checks for you.

View the image View on ArtifactHub Chart source

Upstream project: https://sse-secure-systems.github.io/connaisseur/