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CVE-2026-93592

Vllm vulnerability

7.5 HIGHPublic exploitEPSS 0.54%
  1. Published18 Sept 2026

Description

vLLM versions before 0.28.0 fail to validate the lower bound of token IDs in the /v1/embeddings and /pooling endpoints, allowing unauthenticated attackers to crash the engine by submitting negative token IDs. A single request with a negative token ID triggers a CUDA device-side assertion that poisons the GPU context, causing all subsequent requests to fail until the process restarts.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Vllm< 0.28.0

Remediation

Fixed in
Vllm≥ 0.28.0

References

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Frequently asked

Is CVE-2026-93592 being actively exploited?

CVE-2026-93592 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.54%.

How severe is CVE-2026-93592?

CVE-2026-93592 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.54% probability of exploitation.

Which products are affected by CVE-2026-93592?

Affected products include Vllm.

How do I fix CVE-2026-93592?

Upgrade affected software to a fixed version, for example Vllm 0.28.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-93592 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.