01 Record

CVE-2026-49114

ONNX symlink-following and path-traversal arbitrary file write

MediumPUBLISHEDCNA: cisa-cg

Base score6.8 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

02 Description

ONNX symlink-following and path-traversal arbitrary file write

Published

2026-08-21 16:10Z9 HR AGO

Last updated

2026-08-21 16:43Z8 HR AGO

Reserved

2026-05-27

Assigning CNA

cisa-cg

Record state

PUBLISHED

Severity

Medium (CVSS 6.8)

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
CWE-59Improper Link Resolution Before File Access ('Link Following')Base
CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

SSVC decision

ExploitationpocAutomatablenoTechnical Impactpartial

Data version

5.2

Document digest

af48f5548bc46c36b0ddaa5bc51c1429623e5eac8e7876e58eb3805894bf6801

VendorProductVersionsPlatforms

ONNXONNX0 to < 1.21.0—