CVE-2026-109156 Details
Description
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.
A path traversal vulnerability has been identified in SeldonIO MLServer versions through 1.6.1. The issue arises in the environment_tarball handler, specifically within the _extract_env function of mlserver/env.py. This vulnerability can be exploited remotely, allowing for unauthorized access to files on the server.
Users are advised to update to SeldonIO MLServer version 1.7.1 or later, where this vulnerability has been addressed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 13, 2026CISA-ADP
Assessed Oct 16, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/SeldonIO/MLServer/ | [email protected] | ProductVendor |
| https://github.com/SeldonIO/MLServer/issues/2553 | [email protected] | Issue TrackingTechnical DescriptionVendor |
| https://vuldb.com/cve/CVE-2026-109156 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/978677 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/416889 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/416889/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| SeldonIO MLServer | <= 1.6.1 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 16, 2026 | CVE Modified | CISA-ADP |
| Oct 13, 2026 | New CVE Received | [email protected] |