CVE-2026-6855
High
Description
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.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Redhat Instructlab
PublishedApr 22, 2026
First seenApr 22, 2026
Weakness typeCWE-22Path traversal
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat instructlab | No range specified | — |
| redhat enterprise_linux_ai | 3.0 | — |
| instructlabPyPI | v ≤ 0.26.1 | — |
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