RHSA-2026:50871HighCVSS 8.1

Red Hat Security Advisory: RHTAS 1.4.3 - Red Hat Trusted Artifact Signer Release

Published
August 5, 2026
Last Modified
August 19, 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 products3

  • Red Hat Trusted Artifact Signer 1.4
  • registry.redhat.io/rhtas/ctlog-monitor-rhel9@sha256:30ada665ab85885aab04afce71b8e0403c14d1b7e5c94bffcbde39d09eb2863d_amd64 as a component of Red Hat Trusted Artifact Signer 1.4
  • registry.redhat.io/rhtas/rekor-monitor-rhel9@sha256:e96b0b3146b63f4710ebfb3ed4a4edd9278b15852aa3130881e8332965bf00a3_amd64 as a component of Red Hat Trusted Artifact Signer 1.4

✅ Remediation

Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev Platform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization's software supply chain. For details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.4 You can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.4/html-single/release_notes/index 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)