CVE-2026-109156CWE-22path-traversal

CVE-2026-109156

Medium · published October 13, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
35.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
EPSS
0.00424 · 35.7th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-10-13T15:17Z
References (6)
https://github.com/SeldonIO/MLServer/ · [email protected]https://github.com/SeldonIO/MLServer/issues/2553 · [email protected]https://vuldb.com/cve/CVE-2026-109156 · [email protected]https://vuldb.com/submit/978677 · [email protected]https://vuldb.com/vuln/416889 · [email protected]https://vuldb.com/vuln/416889/cti · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 13 OCT 10:30Z
    SeldonIO MLServer environment_tarball env.py _extract_env path traversal
    cvelistv5
  • 13 OCT 10:30Z
    SeldonIO MLServer environment_tarball env.py _extract_env path traversal
    cvelistv5