CVE-2026-6855

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 3.1

7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-26)

CWE

CWE-22

Published

2026-04-22

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• redhat:enterprise_linux_ai
• redhat:instructlab

Packages (OSV)

References

• https://access.redhat.com/security/cve/CVE-2026-6855
• https://bugzilla.redhat.com/show_bug.cgi?id=2460013

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