GitHub Advisoryadvisory · PyPI

GHSA-pqmg-c2j8-fq92 InstructLab vulnerable to Path Traversal

HIGH Published 2026-04-22 Modified 2026-04-29 Official page ↗
Aliases
CVE-2026-6855
Ecosystem
PyPI
Packages
instructlab
Severity
High
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-22
Reviewed
2026-04-29

Affected packages

• PyPI instructlab: <= 0.26.1 (no fix yet)

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.

Related

Alias · CVE (1)

Weakness · CWE (1)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References