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01 Record

CVE-2026-115917

vLLM: Permissive default CORS origins allow cross-origin requests to the vLLM HTTP server

LowPUBLISHEDCNA: GitHub_M
CNA base score3.4 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N

02 Description

vLLM: Permissive default CORS origins allow cross-origin requests to the vLLM HTTP server

03 Exploitation and scoring

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
0.23% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 14.7% of scored records. A rank, not a probability.
NVD base score
4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
NVD analysis status
Analyzed. NVD last modified this record on 2026-10-28.
Red Hat severity
Low. 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.

04 Metadata

Published
2026-10-26 17:20Z3 DAYS AGO
Last updated
2026-10-26 17:20Z3 DAYS AGO
Reserved
2026-10-23
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Low (CVSS 3.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N
Weaknesses
  • CWE-942Permissive Cross-domain Security Policy with Untrusted DomainsVariant
  • CWE-346Origin Validation ErrorClass
Data version
5.2
Document digest
9d08e7e0c8353c85915da33de97e0f858d6c1824e485aa1bec309b46e1bde492

05 Affected products

VendorProductVersionsPlatforms
vllm-projectvllm< 0.32.0—

06 References