fulcio

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

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64Rebuilt 2026-09-26

Fulcio, the Sigstore certificate authority: it issues short-lived code-signing certificates bound to OIDC identities, for keyless signing with cosign. Built from source; file, KMS, Tink and Google CA backends (not PKCS#11).

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:a7be717074886a5589590e8cc01b2fdc48084e0d24c4a3bc9f6b878dfc3b3c98

Chart OCI version

oci://ghcr.io/quenchworks/charts/fulcio: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

12.2 MB

Security report (Trivy)

A· 98/1001 open · no upstream fix yet

Vulnerability detail

fulcio 1.8.8 · 1 CVE

CVE	Severity	Package	Installed	Fixed in	Title
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 fulcio 1.8.8

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-fulcio oci://ghcr.io/quenchworks/charts/fulcio --version 0.0.3

Deploys image (digest-pinned)

ghcr.io/quenchworks/images/fulcio@sha256:a7be717074886a5589590e8cc01b2fdc48084e0d24c4a3bc9f6b878dfc3b3c98

Chart version: 0.0.3
App version: 1.8.8
Chart license: Apache-2.0
App license: Apache-2.0
Service port: 8080
Signed: cosign (keyless)
Values schema: yes
Last published: 2026-09-27

Verify the chart

cosign verify ghcr.io/quenchworks/charts/fulcio: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://github.com/sigstore/fulcio