CVE-2026-34447Disclosure(linuxfoundation / onnx)

LOWCVSS 5.5 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in external data loading allows reading files outside the model directory. This issue has been patched in version 1.21.0.

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0.0/ 10 priority

Sources & remediation

Exploit / PoC references

https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xj

Weakness type (CWE)

CWE-22CWE-61

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

onnx

Threat summary

3 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 3 signals
Disclosure: 3 classified signals
Peaked at 2 mentions on most recent observed day (2026-04-02)
3 total mentions across 2 days

Affected systems

Vendors

linuxfoundation

Products

onnx

Deep dive

Activity timeline3 mentions / 2d

Signal classification1 categories

Disclosure

3100.0%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-04-01	1	Disclosure1
2026-04-02	2	Disclosure2

Full discourse3 posts

Infoflowcloud@infoflowcloud190d
Disclosure
🚨*CVE* CVE-2026-34447 Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in … https://www.cve.org/CVERecord?id=CVE-2026-34447 ----- Traducción: CVE-2026-34447 Ope… http://infoflow.cloud`
Post summary
The tweet announces a symlink traversal bug in ONNX versions prior to 1.21.0, providing a link to the official CVE record for further details.
0000036
65 followersView on X
CVE@CVEnew190d
Disclosure
CVE-2026-34447 Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in … https://www.cve.org/CVERecord?id=CVE-2026-34447
Post summary
The passage announces a symlink traversal issue in ONNX versions before 1.21.0, providing basic vulnerability details but no PoC, exploit, active use, or remediation information.
00000228
56.9K followersView on X
CyberDudeBivash® | Global Cybersecurity Company@cyberbivash191d
Disclosure
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-34447 - ONNX: External Data Symlink Traversal Intel Report: https://ift.tt/Zi8yz2H
Post summary
The alert announces the CVE-2026-34447 vulnerability in ONNX, labeling it as an External Data Symlink Traversal, but offers no PoC, exploit details, patch information, or evidence of active exploitation.
0000042
281 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	linuxfoundation	onnx	-	-	-

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