CVE-2026-115921

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 2.6% of scored records. A rank, not a probability.

NVD base score

6.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-26.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-26 17:28Z3 DAYS AGO

Last updated

2026-10-26 17:28Z3 DAYS AGO

Reserved

2026-10-23

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.2)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-195Signed to Unsigned Conversion ErrorVariant
• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

f027a3615e8abce7a6e706f1dc56f8e567a2f481e6eb013711de753adbf15aaf

• github.comhttps://github.com/onnx/onnx/security/advisories/GHSA-m4pr-6v3c-6fgrx_refsource_CONFIRM
• github.comhttps://github.com/onnx/onnx/pull/7916x_refsource_MISC
• github.comhttps://github.com/onnx/onnx/commit/dd6bc92ea39fd2274fd671f0734b0b8b558356f5x_refsource_MISC
• github.comhttps://github.com/onnx/onnx/releases/tag/v1.22.0x_refsource_MISC