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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
seldonio:mlserver
References 6
https://vuldb.com/vuln/416889
VDB-416889 | SeldonIO MLServer environment_tarball env.py _extract_env path traversal
https://vuldb.com/vuln/416889/cti
VDB-416889 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/cve/CVE-2026-109156
CVE-2026-109156 | CVE Analysis and Report
https://vuldb.com/submit/978677
Submit #978677 | SeldonIO MLServer 1.6.1 Path Traversal
https://github.com/SeldonIO/MLServer/issues/2553
NVD
https://github.com/SeldonIO/MLServer/
NVD