CVE-2026-6855

Published: Apr 22, 2026Modified: Jun 17, 2026

7.1

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploitability: 1.8 / Impact: 5.2

Source: secalert@redhat.com (Secondary)

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.

Affected (2)

Products: Redhat: Enterprise Linux Ai, Instructlab

2 products

Enterprise Linux Ai

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux Ai	Version 3.0
Redhat Instructlab	All versions

Related CWEs

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (2)

https://access.redhat.com/security/cve/CVE-2026-6855

Source: secalert@redhat.com

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2460013

Source: secalert@redhat.com

Issue TrackingVendor Advisory

Timeline

No history available yet.