RHSA-2026:83593HighCVSS 7.5

Red Hat Security Advisory: RHTAS 1.0.3 - GA Release Of the Policy Controller Operator

Published
October 15, 2026
Last Modified
October 29, 2026

🔗 CVE IDs covered (3)

CVE-2026-41178 →CVE-2026-56854 →CVE-2026-84445 →

📋 Description

CVE-2026-41178 — github.com/open-telemetry/opentelemetry-go: go.opentelemetry.io/otel/baggage: go.opentelemetry.io/otel/propagation: OpenTelemetry-Go: Denial of Service via oversized baggage headers CVE-2026-56854 — golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Authentication bypass due to unenforced source-address restrictions CVE-2026-84445 — google.golang.org/grpc: gRPC-Go: Denial of Service via malformed RPC requests

🎯 Affected products2

  • Red Hat Trusted Artifact Signer 1.4
  • registry.redhat.io/rhtas/policy-controller-rhel9@sha256:fd1558e0379588106adc7928356a3c443ad2d54b78536378462694920f549667_amd64 as a component of Red Hat Trusted Artifact Signer 1.4

✅ Remediation

The RHTAS Policy Controller Operator is Helm-based operator for deploying and managing instances of the Sigstore Policy Controller on OpenShift. It is a self-managed on-premise deployment of the Policy Controller Helm Charts available at https://github.com/sigstore/helm-charts/tree/main/charts/policy-controller Platform Engineers, Software Developers and Security Professionals may use the RHTAS Policy Controller Operator to enforce policies on OCP clusters by using supply-chain metadata. For details on using the RHTAS Policy Controller Operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.4 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (7)