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Vulnerability Details :

CVE-2025-48956

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-21 Aug, 2025 | 14:41
Updated At-21 Aug, 2025 | 15:02
Rejected At-
Credits

vLLM API endpoints vulnerable to Denial of Service Attacks

vLLM is an inference and serving engine for large language models (LLMs). From 0.1.0 to before 0.10.1.1, a Denial of Service (DoS) vulnerability can be triggered by sending a single HTTP GET request with an extremely large header to an HTTP endpoint. This results in server memory exhaustion, potentially leading to a crash or unresponsiveness. The attack does not require authentication, making it exploitable by any remote user. This vulnerability is fixed in 0.10.1.1.

Vendors
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Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
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Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
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N/A
No data available for selected date range
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Latest Percentile
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N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:21 Aug, 2025 | 14:41
Updated At:21 Aug, 2025 | 15:02
Rejected At:
▼CVE Numbering Authority (CNA)
vLLM API endpoints vulnerable to Denial of Service Attacks

vLLM is an inference and serving engine for large language models (LLMs). From 0.1.0 to before 0.10.1.1, a Denial of Service (DoS) vulnerability can be triggered by sending a single HTTP GET request with an extremely large header to an HTTP endpoint. This results in server memory exhaustion, potentially leading to a crash or unresponsiveness. The attack does not require authentication, making it exploitable by any remote user. This vulnerability is fixed in 0.10.1.1.

Affected Products
Vendor
vllm-project
Product
vllm
Versions
Affected
  • >= 0.1.0, < 0.10.1.1
Problem Types
TypeCWE IDDescription
CWECWE-400CWE-400: Uncontrolled Resource Consumption
Type: CWE
CWE ID: CWE-400
Description: CWE-400: Uncontrolled Resource Consumption
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/vllm-project/vllm/security/advisories/GHSA-rxc4-3w6r-4v47
x_refsource_CONFIRM
https://github.com/vllm-project/vllm/pull/23267
x_refsource_MISC
https://github.com/vllm-project/vllm/commit/d8b736f913a59117803d6701521d2e4861701944
x_refsource_MISC
Hyperlink: https://github.com/vllm-project/vllm/security/advisories/GHSA-rxc4-3w6r-4v47
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/vllm-project/vllm/pull/23267
Resource:
x_refsource_MISC
Hyperlink: https://github.com/vllm-project/vllm/commit/d8b736f913a59117803d6701521d2e4861701944
Resource:
x_refsource_MISC
▼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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:21 Aug, 2025 | 15:15
Updated At:22 Aug, 2025 | 18:09

vLLM is an inference and serving engine for large language models (LLMs). From 0.1.0 to before 0.10.1.1, a Denial of Service (DoS) vulnerability can be triggered by sending a single HTTP GET request with an extremely large header to an HTTP endpoint. This results in server memory exhaustion, potentially leading to a crash or unresponsiveness. The attack does not require authentication, making it exploitable by any remote user. This vulnerability is fixed in 0.10.1.1.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-400Primarysecurity-advisories@github.com
CWE ID: CWE-400
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/vllm-project/vllm/commit/d8b736f913a59117803d6701521d2e4861701944security-advisories@github.com
N/A
https://github.com/vllm-project/vllm/pull/23267security-advisories@github.com
N/A
https://github.com/vllm-project/vllm/security/advisories/GHSA-rxc4-3w6r-4v47security-advisories@github.com
N/A
Hyperlink: https://github.com/vllm-project/vllm/commit/d8b736f913a59117803d6701521d2e4861701944
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/vllm-project/vllm/pull/23267
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/vllm-project/vllm/security/advisories/GHSA-rxc4-3w6r-4v47
Source: security-advisories@github.com
Resource: N/A

Change History

0
Information is not available yet

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