CVE-2026-93592 vLLM - Denial of Service

vLLM < 0.28.0 contains a denial of service caused by lack of validation of lower bound token IDs in /v1/embeddings and /pooling endpoints, letting unauthenticated attackers crash the engine by submitting negative token IDs.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.54% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
18 September 2026
Updated
15 October 2026
Weakness
CWE-129

Vendor fix

Update to version 0.28.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs