High7.5Red Hat Linux

High [CVE-2026-33894] Signature Forgery via Weak RSASSA PKCS#1 v1.5 Verification

This high-severity Red Hat Linux advisory covers CVE-2026-33894 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.

CVE-2026-33894 Published Mar 27, 2026

CVE-2026-33894

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Signature Forgery via Weak RSASSA PKCS#1 v1.5 Verification. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-347. Affected package(s): quay/quay-rhel9:1779922205, quay/quay-rhel8:1779811473, rhdh/rhdh-hub-rhel9:1777903262, quay/quay-rhel8:1779689392, cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279, quay/quay-rhel8:1779822261.

Resolved in Red Hat advisory RHSA-2026:23361 — 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 13 more.

Affected versions

quay/quay-rhel9:1779922205
quay/quay-rhel8:1779811473
rhdh/rhdh-hub-rhel9:1777903262
quay/quay-rhel8:1779689392
cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279
quay/quay-rhel8:1779822261
quay/quay-rhel9:1779204086
automation-gateway-0:2.5.20260422-3.el8ap
rhdh/rhdh-hub-rhel9:1776784286
quay/quay-rhel8:1779811412
automation-gateway-0:2.5.20260422-3.el9ap
quay/quay-rhel8:1780891395

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:23361

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:23361 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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