CVE-2026-44223

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 29.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-22.

Red Hat severity

Important. 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

2026-05-12 19:58Z3 MO AGO

Last updated

2026-06-22 21:49Z2 MO AGO

Reserved

2026-05-05

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-131Incorrect Calculation of Buffer SizeBase
• CWE-704Incorrect Type Conversion or CastClass
• CWE-130Improper Handling of Length Parameter InconsistencyBase

Data version

5.2

Document digest

4b08eec1c10b757f117e8d3008575380aa0569947b7fafdd7b5622067b63a083

• github.comhttps://github.com/vllm-project/vllm/security/advisories/GHSA-83vm-p52w-f9pwx_refsource_CONFIRM
• github.comhttps://github.com/vllm-project/vllm/pull/38610x_refsource_MISC