CVE-2026-6855

7.1 HIGH

A flaw was found in InstructLab

Published: 2026-04-22 · Last updated: 2026-05-20

Severity and scoring

CVSS: 7.1 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE: CWE-22

Affected products

Vendor	Product
redhat	enterprise_linux_ai, instructlab

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-6855
[Vendor advisory]https://access.redhat.com/security/cve/CVE-2026-6855
[Vendor advisory]https://bugzilla.redhat.com/show_bug.cgi?id=2460013

Related CVEs

Same vendor

CVE-2026-1767 — A flaw was found in the GNOME localsearch (previously known as tracker-miners) MP3 Extractor `tracker-extract-mp3` component (5.6 MEDIUM)
CVE-2026-1766 — A flaw was found in GNOME localsearch (previously known as tracker-miners) MP3 Extractor, specifically within the tracker-extract-mp3 com... (5.6 MEDIUM)
CVE-2026-11793 — A stack buffer overflow flaw was found in 389 Directory Server (4.9 MEDIUM)
CVE-2026-11790 — A flaw was found in 389 Directory Server (4.9 MEDIUM)
CVE-2026-11789 — A flaw was found in 389 Directory Server (4.9 MEDIUM)

Same CWE

CVE-2026-48777 — FileBrowser Quantum is a free, self-hosted, web-based file manager
CVE-2026-8442 — The WP Review Slider Pro plugin for WordPress is vulnerable to Arbitrary File Deletion in versions up to and including 12.6.8 (8.1 HIGH)
CVE-2026-49766 — Subscriber Arbitrary File Deletion in WP User Manager <= 2.9.16 versions (9.9 CRITICAL)
CVE-2026-49061 — Unauthenticated Arbitrary File Download in WPC Product Options for WooCommerce <= 3.2.1 versions (7.5 HIGH)
CVE-2026-40779 — Contributor Arbitrary File Deletion in Link Library <= 7.8.8 versions (7.7 HIGH)