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4 vulnerabilities found for instructlab by redhat

CVE-2026-6859 (GCVE-0-2026-6859)

Vulnerability from nvd – Published: 2026-04-22 13:04 – Updated: 2026-05-04 06:05
VLAI?
Title
Instructlab: instructlab: arbitrary code execution due to hardcoded `trust_remote_code=true`
Summary
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.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-6859 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2459998 issue-trackingx_refsource_REDHAT
Impacted products
Date Public ?
2026-04-15 00:00
Credits
Red Hat would like to thank Martin Brodeur (independent security researcher) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-6855 (GCVE-0-2026-6855)

Vulnerability from nvd – Published: 2026-04-22 12:29 – Updated: 2026-04-24 03:55
VLAI?
Title
Instructlab: instructlab: path traversal allows arbitrary directory creation and file write
Summary
A flaw was found in InstructLab. A local attacker could exploit a path traversal vulnerability in the chat session handler by manipulating the `logs_dir` parameter. This allows the attacker to create new directories and write files to arbitrary locations on the system, potentially leading to unauthorized data modification or disclosure.
Severity ?
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-6855 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2460013 issue-trackingx_refsource_REDHAT
Impacted products
Date Public ?
2026-04-15 00:00
Credits
Red Hat would like to thank Martin Brodeur (independent security researcher) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-6859 (GCVE-0-2026-6859)

Vulnerability from cvelistv5 – Published: 2026-04-22 13:04 – Updated: 2026-05-04 06:05
VLAI?
Title
Instructlab: instructlab: arbitrary code execution due to hardcoded `trust_remote_code=true`
Summary
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.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-6859 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2459998 issue-trackingx_refsource_REDHAT
Impacted products
Date Public ?
2026-04-15 00:00
Credits
Red Hat would like to thank Martin Brodeur (independent security researcher) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-6855 (GCVE-0-2026-6855)

Vulnerability from cvelistv5 – Published: 2026-04-22 12:29 – Updated: 2026-04-24 03:55
VLAI?
Title
Instructlab: instructlab: path traversal allows arbitrary directory creation and file write
Summary
A flaw was found in InstructLab. A local attacker could exploit a path traversal vulnerability in the chat session handler by manipulating the `logs_dir` parameter. This allows the attacker to create new directories and write files to arbitrary locations on the system, potentially leading to unauthorized data modification or disclosure.
Severity ?
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-6855 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2460013 issue-trackingx_refsource_REDHAT
Impacted products
Date Public ?
2026-04-15 00:00
Credits
Red Hat would like to thank Martin Brodeur (independent security researcher) for reporting this issue.
Show details on NVD website
To clipboard 

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