VDB

GO-2026-4351

GO-2026-4351 PUBLISHED

Record from OSV · Published February 2, 2026

github.com/controlplaneio-fluxcd/flux-operator is fixed in 0.40.0 (Go Modules)

Flux Operator Web UI Impersonation Bypass via Empty OIDC Claims in github.com/controlplaneio-fluxcd/flux-operator

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
github.com/controlplaneio-fluxcd/flux-operatorGo Modules0.40.0
flux-operatorChainguard0.40.0-r0
flux-operator-fipsChainguard0.40.0-r0

Affected products

VendorProductVersions
github.comcontrolplaneio-fluxcd/flux-operator0.36.0
chainguardflux-operator0
chainguardflux-operator-fips0

Timeline

  • Feb 2, 2026 CVE Published
  • Feb 4, 2026 CVE Updated
  • May 1, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GO-2026-4351
vulnetix vdb fixes GO-2026-4351

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GO-2026-4351/fixes/registry"

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References

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