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QuenchWorks

opa-gatekeeper

Chart · Security & supply chain · standard · v0.0.5

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64Rebuilt 2026-10-22

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

0.0.5 · latest0.0.40.0.3

The latest line lives at the base page; older lines have their own page so you can pin and verify exactly that version. Only the most recent releases are listed — an older chart pins an older image digest.

Deployed image digest

sha256:5d93c4e477ed39ce2a184878848fe03c4577a0dbb0051a97d8846e6f7a5cb7ad

Chart OCI version

oci://ghcr.io/quenchworks/charts/opa-gatekeeper:0.0.5

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· 84/1002 fixable · rebuild clears them

Vulnerability detail

opa-gatekeeper 3.23.1 · 3 CVE
CVESeverityPackageInstalledFixed inTitle
CVE-2026-78661UNKNOWNgolang.org/x/netv0.60.00.62.0When coalescing adjacent text nodes in addText and fosterParent, appen ...
CVE-2026-97045UNKNOWNgolang.org/x/netv0.60.00.62.0In childTextNodesAreLiteral, walking up the tree previously stopped at ...
GO-2026-5932UNKNOWNgolang.org/x/cryptov0.57.0— not fixableThe golang.org/x/crypto/openpgp package is unmaintained, unsafe by design, and has known security issues
0
Critical
0
High
0
Medium
0
Low
3
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 0.0.5

Deploys image (digest-pinned)

Chart version
0.0.5
App version
3.23.1
Chart license
Apache-2.0
App license
Apache-2.0
Signed
cosign (keyless)
Values schema
yes
Last published
2026-10-22
Values keys
  • image: repository digest pullPolicy
  • nameOverride
  • fullnameOverride
  • imagePullSecrets
  • replicas
  • validatingWebhook: failurePolicy timeoutSeconds
  • mutatingWebhook: enabled failurePolicy timeoutSeconds
  • audit: interval resources
  • exemptNamespaces
  • disabledBuiltins
  • extraArgs
  • priorityClassName
  • resources: requests limits
  • nodeSelector
  • tolerations
  • affinity
  • podDisruptionBudget: enabled minAvailable
  • serviceAccount: create name annotations automountServiceAccountToken
  • podSecurityContext
  • containerSecurityContext

Verify the chart

cosign verify ghcr.io/quenchworks/charts/opa-gatekeeper:0.0.5 \
  --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 imageView on ArtifactHubChart source

Upstream project: https://open-policy-agent.github.io/gatekeeper