CVE-2026-6855
Instructlab: instructlab: path traversal allows arbitrary directory creation and file write
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | red hat |
| Product | red hat enterprise linux ai (rhel ai) 3 |
| Published | Apr 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
Red Hat / Red Hat Enterprise Linux AI (RHEL AI) 3
All versions affected Red Hat / Red Hat Enterprise Linux AI (RHEL AI) 3
All versions affected Red Hat / Red Hat Enterprise Linux AI (RHEL AI) 3
All versions affected Red Hat / Red Hat Enterprise Linux AI (RHEL AI) 3
All versions affected Red Hat / Red Hat Enterprise Linux AI (RHEL AI) 3
All versions affected Red Hat / Red Hat Enterprise Linux AI (RHEL AI) 3
All versions affected References
Credits
Red Hat would like to thank Martin Brodeur (independent security researcher) for reporting this issue.