Medium [CVE-2026-26209] Denial of Service due to uncontrolled recursion via crafted CBOR payloads
This medium-severity Red Hat Linux advisory covers CVE-2026-26209 affecting rhaiis/vllm-rocm-rhel9:1779223651, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1779223654.
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Summary
Denial of Service due to uncontrolled recursion via crafted CBOR payloads. Red Hat rates this moderate (CVSS 5.5).
Weakness: CWE-770. Affected package(s): rhaiis/vllm-rocm-rhel9:1779223651, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1779223654, rhaiis/vllm-cuda-rhel9:1778274666, rhaiis/vllm-spyre-rhel9:1778244546.
Resolved in Red Hat advisory RHSA-2026:19724 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux.
- rhaiis/vllm-rocm-rhel9:1779223651
- rhaiis/vllm-rocm-rhel9:1778244531
- rhaiis/vllm-cuda-rhel9:1779223654
- rhaiis/vllm-cuda-rhel9:1778274666
- rhaiis/vllm-spyre-rhel9:1778244546
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:19724
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-2026:19724 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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