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VULNERABILITIES

CVE-2026-6855 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-6855 [email protected]Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2460013 [email protected]Issue TrackingVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')[email protected]

Affected Products

ProductVersions
redhat instructlab
All versions

CPE

  • cpe:2.3:a:redhat:instructlab:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux ai
3.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux_ai:3.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-6855
NVD Published Date:
Apr 22, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-6855 Details - Not Deferred