Is CVE-2026-54233 actively exploited?

No active exploitation of CVE-2026-54233 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-54233 be exploited remotely?

Yes. CVE-2026-54233 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-54233?

CVE-2026-54233 has a CVSS score of 6.5 (MEDIUM).

HOME VULNERABILITIESCVE-2026-54233

MEDIUM

CVE-2026-54233

CWE-409Published: June 22, 2026· Updated: Jun 24, 2026

6.5

CVSS v3.1

EPSS:0.25%probability of exploitation in 30 daysPercentile:16.5th

Official Description

vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.23.1rc0, vLLM's /v1/audio/transcriptions endpoint limits compressed upload size but not decoded PCM output. A 25MB OPUS file expands to ~14.9GB of float32 PCM at decode time. This vulnerability is fixed in 0.23.1rc0.

NVD Source

Technical Analysis

CVE-2026-54233 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.