RHSA-2026:51079HighCVSS 8.1

Red Hat Security Advisory: RHTAS 1.0.2 - GA Release Of the Policy Controller Operator

Published
August 6, 2026
Last Modified
August 18, 2026

🔗 CVE IDs covered (2)

CVE-2026-39831 →CVE-2026-46597 →

📋 Description

CVE-2026-39831 — golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Security key bypass due to missing user presence check CVE-2026-46597 — golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted AES-GCM packet decoder inputs

🎯 Affected products2

  • Red Hat Trusted Artifact Signer 1.4
  • registry.redhat.io/rhtas/policy-controller-rhel9@sha256:4e402c4bd5cf40b4e57bc1a3c0b6f0a796bfed3c65407e7f88a6831a95cf10de_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 (6)