CVE-2026-6855

HIGH EPSS 5.9%

Published Apr 22, 20262mo ago · Modified Jun 17, 20262w ago

7.1 CVSS 3.1

High

Published Apr 22, 2026 2mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

7.1

Exploitability

1.8

Impact

5.2

Vector string

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

Threat Intelligence

EPSS Exploit Probability

5.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

Affected Products 2

Vendor	Product	Version	Range
redhat	instructlab	*	any
redhat	enterprise_linux_ai	3.0	any

References 2

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

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

Issue TrackingVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.