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CVE Vulnerability Details :
CVE-2026-9540
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-26 May, 2026 | 10:30
Updated At-26 May, 2026 | 13:47
Rejected At-
▼CVE Numbering Authority (CNA)
vllm-project vllm OpenAI-compatible Serving Path denial of service

A vulnerability was identified in vllm-project vllm 0.19.0. This issue affects some unknown processing of the component OpenAI-compatible Serving Path. Such manipulation leads to denial of service. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The pull request to fix this issue awaits acceptance.

Affected Products
Vendor
vllm-project
Product
vllm
CPEs
  • cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*
Modules
  • OpenAI-compatible Serving Path
Versions
Affected
  • 0.19.0
Problem Types
TypeCWE IDDescription
CWECWE-404Denial of Service
Type: CWE
CWE ID: CWE-404
Description: Denial of Service
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.05.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.05.0N/A
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 5.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Zyz3366 (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-26 00:00:00
VulDB entry created2026-05-26 02:00:00
VulDB entry last update2026-05-26 07:50:13
Event: Advisory disclosed
Date: 2026-05-26 00:00:00
Event: VulDB entry created
Date: 2026-05-26 02:00:00
Event: VulDB entry last update
Date: 2026-05-26 07:50:13
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/365601
vdb-entry
https://vuldb.com/vuln/365601/cti
signature
permissions-required
https://vuldb.com/submit/814645
third-party-advisory
https://github.com/vllm-project/vllm/issues/37343
exploit
issue-tracking
https://github.com/vllm-project/vllm/pull/37594
issue-tracking
patch
https://ingero.io/debugging-vllm-latency-minimax-ollama-mcp/
related
https://github.com/vllm-project/vllm/
product
Hyperlink: https://vuldb.com/vuln/365601
Resource:
vdb-entry
Hyperlink: https://vuldb.com/vuln/365601/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/814645
Resource:
third-party-advisory
Hyperlink: https://github.com/vllm-project/vllm/issues/37343
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/vllm-project/vllm/pull/37594
Resource:
issue-tracking
patch
Hyperlink: https://ingero.io/debugging-vllm-latency-minimax-ollama-mcp/
Resource:
related
Hyperlink: https://github.com/vllm-project/vllm/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found