High [CVE-2026-33895] Authentication bypass via forged Ed25519 cryptographic signatures
This high-severity Red Hat Linux advisory covers CVE-2026-33895 affecting Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9, Red Hat Developer Hub 1.8.
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Summary
Authentication bypass via forged Ed25519 cryptographic signatures. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-347. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279, automation-gateway, rhdh/rhdh-hub-rhel9:1776784286.
Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; and 6 more.
- rhdh/rhdh-hub-rhel9:1777903262
- cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279
- automation-gateway-0:2.5.20260422-3.el8ap
- rhdh/rhdh-hub-rhel9:1776784286
- automation-gateway-0:2.5.20260422-3.el9ap
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:13826
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:13826 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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