opa-gatekeeper

Chart · Security & supply chain · standard · v0.0.3

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64Rebuilt 2026-10-11

OPA Gatekeeper, the Kubernetes admission controller for Rego policies (ConstraintTemplates and Constraints, validating and mutating webhooks, audit of existing resources). Built from source with the vulnerable modules floated.

Version

0.0.3 · latest 0.0.2 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

sha256:585e0633269eb316a99996316b1990e3921bfc48694f50737135b7b16034a2d0

Chart OCI version

oci://ghcr.io/quenchworks/charts/opa-gatekeeper:0.0.3

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

24.5 MB

Security report (Trivy)

A· 98/1001 open · no upstream fix yet

Vulnerability detail

opa-gatekeeper 3.23.1 · 1 CVE

CVE	Severity	Package	Installed	Fixed in	Title
GO-2026-5932	UNKNOWN	golang.org/x/crypto	v0.57.0	— 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 opa-gatekeeper 3.23.1

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-opa-gatekeeper oci://ghcr.io/quenchworks/charts/opa-gatekeeper --version 0.0.3

Deploys image (digest-pinned)

opa-gatekeeper3.23.1
A
ghcr.io/quenchworks/images/opa-gatekeeper@sha256:585e0633269eb316a99996316b1990e3921bfc48694f50737135b7b16034a2d0

Chart version: 0.0.3
App version: 3.23.1
Chart license: Apache-2.0
App license: Apache-2.0
Signed: cosign (keyless)
Values schema: yes
Last published: 2026-10-11

Verify the chart

cosign verify ghcr.io/quenchworks/charts/opa-gatekeeper:0.0.3 \
  --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://open-policy-agent.github.io/gatekeeper