CVE-2026-6859— Instructlab: instructlab: arbitrary code execution due to hardcoded `trust_remote_code=true`
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I. Basic Information for CVE-2026-6859
Vulnerability Information
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Vulnerability Title
Instructlab: instructlab: arbitrary code execution due to hardcoded `trust_remote_code=true`
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in InstructLab. The `linux_train.py` script hardcodes `trust_remote_code=True` when loading models from HuggingFace. This allows a remote attacker to achieve arbitrary Python code execution by convincing a user to run `ilab train/download/generate` with a specially crafted malicious model from the HuggingFace Hub. This vulnerability can lead to complete system compromise.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
从非可信控制范围包含功能例程
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Enterprise Linux AI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Enterprise Linux AI是美国红帽（Red Hat）公司的一个为生成式 AI 打造的 Linux 发行版。 Red Hat Enterprise Linux AI (RHEL AI) 3存在安全漏洞，该漏洞源于linux_train.py脚本从HuggingFace加载模型时硬编码trust_remote_code=True，远程攻击者可诱骗用户使用特制恶意模型运行ilab train/download/generate，导致执行任意Python代码，可能完全控制系统。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | - | cpe:/a:redhat:enterprise_linux_ai:3 | |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | - | cpe:/a:redhat:enterprise_linux_ai:3 | |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | - | cpe:/a:redhat:enterprise_linux_ai:3 | |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | - | cpe:/a:redhat:enterprise_linux_ai:3 | |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | - | cpe:/a:redhat:enterprise_linux_ai:3 | |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | - | cpe:/a:redhat:enterprise_linux_ai:3 |
II. Public POCs for CVE-2026-6859
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|---|
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Same Patch Batch · Red Hat · 2026-04-22 · 11 CVEs total
| CVE-2026-6846 | 7.8 HIGH | Binutils: binutils: arbitrary code execution via malformed xcoff object file processing |
| CVE-2026-6857 | 7.5 HIGH | Camel-infinispan: camel-infinispan: remote code execution via unsafe deserialization |
| CVE-2026-6855 | 7.1 HIGH | Instructlab: instructlab: path traversal allows arbitrary directory creation and file writ |
| CVE-2026-6861 | 6.1 MEDIUM | Emacs: emacs: memory corruption vulnerability when processing svg css |
| CVE-2026-6862 | 5.5 MEDIUM | Efivar: efivar: denial of service due to stack overflow in device path node parsing |
| CVE-2026-6844 | 5.5 MEDIUM | Binutils: binutils: denial of service vulnerabilities in readelf via crafted elf files |
| CVE-2026-6843 | 5.5 MEDIUM | Nano: nano: format string vulnerability leads to denial of service |
| CVE-2026-6848 | 5.4 MEDIUM | Quay: red hat quay: authentication bypass allows privileged actions without valid credenti |
| CVE-2026-6845 | 5.0 MEDIUM | Binutils: binutils: denial of service via crafted elf file |
| CVE-2026-6842 | 2.5 LOW | Nano: nano: local attacker can inject malicious .desktop launcher due to insecure director |
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