Path Traversal in Braindecode
CVE-2026-124999
A security vulnerability has been detected in braindecode up to 1.8.2. This affects the function EEGModuleMixin._from_pretrained of the file braindecode/models/base.py of the component Hub Integration. Such manipulation of the argument filename leads to path traversal. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.0.0 mitigates this issue. The name of the patch is 05b764d93b9a50400f523206fbe03d73d0cf5edb. It is recommended to upgrade the affected component.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Braindecode — versions 1.8.0, 1.8.1, 1.8.2
Weakness classification (CWE)
References
- vuldb.com/vuln/433167 (technical-description, vdb-entry)
- vuldb.com/vuln/433167/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-124999 (third-party-advisory)
- vuldb.com/submit/1040628 (third-party-advisory)
- github.com/braindecode/braindecode/issues/1440 (issue-tracking)
- github.com/braindecode/braindecode/pull/1494 (issue-tracking, patch)
- github.com/user-attachments/files/33599273/poc.zip (exploit)
- github.com/braindecode/braindecode/commit/05b764d93b9a50400f523206fbe03d73d0cf5… (patch)
- github.com/braindecode/braindecode/releases/tag/v2.0.0 (patch)
- github.com/braindecode/braindecode/ (product)
Frequently asked questions
- What is CVE-2026-124999?
- CVE-2026-124999 is a medium-severity vulnerability in Braindecode, classified under Path Traversal. CVSS score: 6.3/10. Published 2026-11-09.
- How severe is CVE-2026-124999?
- Medium severity. CVSS v3 base score is 6.3 out of 10.