Vulnerability · Published Oct 13, 2026 · Assigned by VulDB
CVE-2026-109156SeldonIO MLServer environment_tarball env.py _extract_env path traversal
Medium 6.3
In plain English
A medium-severity path traversal in MLServer from SeldonIO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.4%top 63.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C
References
- VDB-416889 | SeldonIO MLServer environment_tarball env.py _extract_env path traversal vdb-entry, technical-description
- VDB-416889 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-109156 | CVE Analysis and Report third-party-advisory
- Submit #978677 | SeldonIO MLServer 1.6.1 Path Traversal third-party-advisory
- https://github.com/SeldonIO/MLServer/issues/2553 issue-tracking
- https://github.com/SeldonIO/MLServer/ product