CVE-2026-14647

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-04. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A weakness has been identified in onnx up to 1.21.x. This vulnerability affects the function convPoolShapeInference_opset19 of the file onnx/defs/nn/old.cc of the component onnxruntime. This manipulation causes out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Patch name: a7bf3a0f1d18bb62575236ef6e4944980c40e045. It is recommended to apply a patch to fix this issue.

CVSS v3
4.3
EG Score
4.3(high)
EPSS
16.6%
KEV
Not listed

Published

July 4, 2026

Last Modified

July 6, 2026

Advisory Details (4)

Auto-updated Jul 4, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_commit, github_pr.
github_pr

Address shape inference issues in Conv

Fix merged in onnx/onnx PR #8051 on 2026-06-03 — awaiting tagged release

https://github.com/onnx/onnx/pull/8051
generic🟡 PoC Available

Heap buffer over-read in Conv shape inference (convPoolShapeInference) when weight spatial rank exceeds input spatial rank · Issue #8036 · onnx/onnx · GitHub

https://github.com/onnx/onnx/issues/8036
github_commit

commit a7bf3a0f1d18 (onnx/onnx)

Fix landed in onnx/onnx commit a7bf3a0f1d18 — awaiting tagged release

https://github.com/onnx/onnx/commit/a7bf3a0f1d18bb62575236ef6e4944980c40e045
generic

GitHub - onnx/onnx: Open standard for machine learning interoperability · GitHub

https://github.com/onnx/onnx/

Vendor Advisories for CVE-2026-14647(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 19:18 UTCNVD updateCVSS v4 → 2.1
  2. 2026-07-06 19:06 UTCMITRE cvelistV5CVSS v4 → 5.3
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 14:37 UTCEG score recompute
  5. 2026-07-06 14:37 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 16:52 UTCEG score recompute
  8. 2026-07-05 16:52 UTCGHSA enrichment
  9. 2026-07-04 20:28 UTCNVD updateCVSS v4 → 2.1
  10. 2026-07-04 19:08 UTCEG score recompute
  11. 2026-07-04 19:06 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-14647?
CVE-2026-14647 is a medium vulnerability published on July 4, 2026. A weakness has been identified in onnx up to 1.21.x. This vulnerability affects the function convPoolShapeInference_opset19 of the file onnx/defs/nn/old.cc of the component onnxruntime. This manipulation causes out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been…
When was CVE-2026-14647 disclosed?
CVE-2026-14647 was first published in the National Vulnerability Database on July 4, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14647 actively exploited?
CVE-2026-14647 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-14647?
CVE-2026-14647 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-14647?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14647, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-14647

Explore →

Is Your Infrastructure Affected by CVE-2026-14647?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs