Path Traversal in Seldonio Mlserver
CVE-2026-109156
A vulnerability has been found in SeldonIO MLServer up to 1.6.1. Affected is the function _extract_env of the file mlserver/env.py of the component environment_tarball Handler. Such manipulation leads to path traversal. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.
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
- Seldonio Mlserver — versions 1.6.0, 1.6.1
Weakness classification (CWE)
References
- vuldb.com/vuln/416889 (technical-description, vdb-entry)
- vuldb.com/vuln/416889/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-109156 (third-party-advisory)
- vuldb.com/submit/978677 (third-party-advisory)
- github.com/SeldonIO/MLServer/issues/2553 (issue-tracking)
- github.com/SeldonIO/MLServer/ (product)
Frequently asked questions
- What is CVE-2026-109156?
- CVE-2026-109156 is a medium-severity vulnerability in Seldonio Mlserver, classified under Path Traversal. CVSS score: 6.3/10. Published 2026-10-13.
- How severe is CVE-2026-109156?
- Medium severity. CVSS v3 base score is 6.3 out of 10.