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QuenchWorks

opencost

Chart · Observability · standard · v0.0.4

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64Rebuilt 2026-09-21

Kubernetes cost monitoring and allocation (CNCF). Serves the cost-model API on 9003 as a single static Go binary on a hardened nonroot Wolfi base, with the cloud pricing configs installed where the binary resolves them by default.

Version

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

sha256:420c082184a37a51f0b477aafbfc37d9f4d7426146d0ef94dbce348556f518a9

Chart OCI version

oci://ghcr.io/quenchworks/charts/opencost:0.0.4

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
39.6 MB

Security report (Trivy)

A· 98/1001 open · no upstream fix yet

Vulnerability detail

opencost 1.121.3 · 1 CVE
CVESeverityPackageInstalledFixed inTitle
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
1
Unknown

Security report (Trivy) · image opencost 1.121.3

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-opencost oci://ghcr.io/quenchworks/charts/opencost --version 0.0.4

Deploys image (digest-pinned)

ghcr.io/quenchworks/images/opencost@sha256:420c082184a37a51f0b477aafbfc37d9f4d7426146d0ef94dbce348556f518a9
Chart version
0.0.4
App version
1.121.3
Chart license
Apache-2.0
App license
Apache-2.0
Service port
9003
Signed
cosign (keyless)
Values schema
yes
Last published
2026-09-27

Verify the chart

cosign verify ghcr.io/quenchworks/charts/opencost:0.0.4 \
  --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.

Upstream project: https://opencost.io