High8.2Red Hat Linux

High [CVE-2026-34982] arbitrary command execution via modeline sandbox bypass

This high-severity Red Hat Linux advisory covers CVE-2026-34982 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

CVE-2026-34982 Published Apr 6, 2026

CVE-2026-34982

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

arbitrary command execution via modeline sandbox bypass. Red Hat rates this important (CVSS 8.2).

Weakness: CWE-78. Affected package(s): rhaiis/model-opt-cuda-rhel9:1782352950, rhaiis/vllm-spyre-rhel9:1782352919, vim, rhui5/haproxy-rhel9:1779798164, rhui5/rhua-rhel9:1779798222, rhaiis/vllm-rocm-rhel9:1782353093.

Resolved in Red Hat advisory RHSA-2026:28049 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 13 more.

Affected versions

rhaiis/model-opt-cuda-rhel9:1782352950
rhaiis/vllm-spyre-rhel9:1782352919
vim-2:8.0.1763-19.el8_6.6
vim-2:8.2.2637-26.el9_8.4
rhui5/haproxy-rhel9:1779798164
vim-2:9.1.083-5.el10_0.3
vim-2:8.2.2637-20.el9_4.3
rhui5/rhua-rhel9:1779798222
vim-2:8.2.2637-20.el9_2.2
rhaiis/vllm-rocm-rhel9:1782353093
rhaiis/vllm-cuda-rhel9:1782352847
insights-proxy/insights-proxy-container-rhel9:1780420428

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

Fixed versions

RHSA-2026:28049

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-2026:28049 (`sudo dnf update` / `yum update`).

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

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