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CVE-2024-8768

21
FAUCET Score

CVE-2024-8768 describes a denial-of-service vulnerability in the vLLM library. An attacker can crash the vLLM API server by submitting a completions API request with an empty prompt. This flaw has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity, leading to a complete loss of availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
Red HatRed Hat Enterprise Linux AI (RHEL AI)
All Versions ImpactedCNA affecteddefault affected
Https://Github.Com/Vllm-Project/VllmVllm
>= 0, < 0.5.5CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.68%
Probability of exploitation in next 30 days
EPSS Percentile
48.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0068 is in the 25th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: vllmFixed in: 0.5.5
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux AI (RHEL AI)Fixed in: rhelai1/bootc-nvidia-rhel9
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux AI (RHEL AI)Fixed in: rhelai1/instructlab-nvidia-rhel9

Vendor Advisories (2)

pipGHSA-w2r7-9579-27hfhigh

vLLM denial of service vulnerability

Sep 17, 2024
redhatCVE-2024-8768Important

vllm: A completions API request with an empty prompt will crash the vllm API server.

Aug 22, 2024

References

access.redhat.com / security/cve/CVE-2024-8768
bugzilla.redhat.com / show_bug.cgi
github.com / vllm-project/vllm/issues/7632
github.com / vllm-project/vllm/pull/7746