CVE-2026-94622 vLLM - Denial of Service

vLLM <= 0.29.0 contains a denial of service vulnerability caused by uncaught KeyError in EngineCore scheduling due to incomplete kv_transfer_params in NIXL connector metadata handling, letting attackers cause decode engine termination, exploit requires crafted requests with incomplete parameters.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.63% 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
21 September 2026
Updated
15 October 2026
Weakness
CWE-248

Vendor fix

Update to the latest version beyond 0.29.0.

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

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