Arbitrary command execution via shell metacharacters in username
Summary
Arbitrary command execution via shell metacharacters in username. Red Hat rates this low (CVSS 3.6). Weakness: CWE-78. Affected package(s): openssh, rhaiis/model-opt-cuda-rhel9:1780681984, rhui5/rhua-rhel9:1779798222, discovery/discovery-server-rhel9:1778101579, rhui5/installer-rhel9:1779798165. Resolved in Red Hat advisory RHSA-2026:14937 — update the affected packages (`sudo dnf update`).
- openssh-0:8.0p1-29.el8_10
- openssh-0:8.7p1-49.el9_7
- rhaiis/model-opt-cuda-rhel9:1780681984
- rhui5/rhua-rhel9:1779798222
- openssh-0:8.0p1-15.el8_6.5
- openssh-0:9.9p1-14.el10_1
- openssh-0:9.9p1-23.el10_2
- discovery/discovery-server-rhel9:1778101579
- openssh-0:8.7p1-38.el9_4.8
- openssh-0:9.9p1-7.el10_0.3
- openssh-0:8.0p1-7.el8_4.2
- openssh-0:8.0p1-20.el8_8.4
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
- RHSA-2026:14937
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:14937 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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