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CVE-2026-109156— SeldonIO MLServer environment_tarball env.py _extract_env path traversal

Quick assessment

Affected
SeldonIO MLServer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 SeldonIO MLServer 最高至 1.6.1 版本中发现了一个漏洞。受影响的组件是 environment_tarball Handler，具体涉及文件 mlserver/env.py 中的 函数。该漏洞可导致路径遍历攻击，攻击者能够从远程发起利用。厂商早在披露此漏洞前即已被联系，但未做出任何回应。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
SeldonIO MLServer 1.6.0 affected
1.6.1 affected
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I. Basic Information for CVE-2026-109156

Vulnerability Information
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Vulnerability Title
SeldonIO MLServer environment_tarball env.py _extract_env path traversal
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SeldonIO MLServer 1.6.0 cpe:2.3:a:seldonio:mlserver:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-109156

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III. Intelligence Information for CVE-2026-109156

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Other References for CVE-2026-109156 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-109156

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