CVE-2026-54233

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-17. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 6.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
29
EG Risk 29/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.4%
EPSS %ILE
34th
KEV
Not listed

Published

June 17, 2026

Last Modified

June 24, 2026

Advisory Details (2)

Auto-updated Jun 23, 2026
Patch available. Sources: github_pr, github.
githubMentions a patch (unverified)

OOM Denial of Service via Audio Decompression Bomb · Advisory · vllm-project/vllm · GitHub

https://github.com/vllm-project/vllm/security/advisories/GHSA-6pr9-rp53-2pmc
github_pr

[Security] Fix DoS via audio decompression bomb in speech-to-text endpoint

Fix merged in vllm-project/vllm PR #44970 on 2026-06-09 — awaiting tagged release

https://github.com/vllm-project/vllm/pull/44970

Vendor Advisories for CVE-2026-54233(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
pipvllm—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFix by version rangeDependents
vllm0.0.1 ... 0.9.2 (89 versions)
  • every version up to 0.24.0: fixed in 0.24.0
  • every version through 0.23.0: no fix on record
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 163 total refreshes for this CVE.

  1. 2026-10-09 20:07 UTCEPSS rescore
  2. 2026-10-08 17:12 UTCEPSS rescore
  3. 2026-10-07 23:48 UTCEPSS rescore
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  8. 2026-10-03 06:09 UTCOSV refresh
  9. 2026-10-02 17:56 UTCEPSS rescore
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  22. 2026-09-16 05:15 UTCEPSS rescore
  23. 2026-09-14 03:08 UTCEG score recompute
  24. 2026-09-13 16:47 UTCEPSS rescore
  25. 2026-09-11 14:53 UTCEPSS rescore
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  1. 2026-09-10 09:35 UTCEPSS rescore
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  3. 2026-09-07 16:01 UTCEPSS rescore
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  9. 2026-08-30 22:26 UTCEG score recompute
  10. 2026-08-30 19:17 UTCEPSS rescore
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  16. 2026-08-25 07:53 UTCEG score recompute
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  19. 2026-08-21 23:49 UTCEPSS rescore
  20. 2026-08-21 09:46 UTCEG score recompute
  21. 2026-08-20 22:55 UTCEPSS rescore
  22. 2026-08-20 08:59 UTCEG score recompute
  23. 2026-08-19 17:04 UTCEPSS rescore
  24. 2026-08-19 08:12 UTCEG score recompute
  25. 2026-08-18 13:48 UTCEPSS rescore
  26. 2026-08-17 13:47 UTCEPSS rescore
  27. 2026-08-17 03:02 UTCEG score recompute
  28. 2026-08-16 14:56 UTCEPSS rescore
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  38. 2026-08-09 21:31 UTCEG score recompute
  39. 2026-08-09 13:46 UTCEPSS rescore
  40. 2026-08-08 20:44 UTCEG score recompute
  41. 2026-08-08 16:37 UTCEPSS rescore
  42. 2026-08-07 19:56 UTCEG score recompute
  43. 2026-08-06 19:09 UTCEG score recompute
  44. 2026-08-06 13:47 UTCEPSS rescore
  45. 2026-08-05 19:17 UTCEPSS rescore
  46. 2026-08-04 15:27 UTCEG score recompute
  47. 2026-08-04 15:10 UTCEPSS rescore
  48. 2026-08-04 10:39 UTCEPSS rescore
  49. 2026-08-03 10:36 UTCEPSS rescore
  50. 2026-08-02 06:31 UTCEG score recompute
  51. 2026-08-02 02:27 UTCEPSS rescore
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  53. 2026-08-01 04:16 UTCEPSS rescore
  54. 2026-07-31 04:30 UTCEG score recompute
  55. 2026-07-30 16:28 UTCEPSS rescore
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  60. 2026-07-28 01:16 UTCEG score recompute
  61. 2026-07-26 19:10 UTCEG score recompute
  62. 2026-07-26 14:54 UTCEPSS rescore
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  64. 2026-07-24 14:18 UTCEPSS rescore
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  66. 2026-07-23 03:19 UTCEG score recompute
  67. 2026-07-22 14:08 UTCEPSS rescore
  68. 2026-07-21 15:25 UTCEPSS rescore
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  70. 2026-07-19 02:29 UTCEPSS rescore
  71. 2026-07-18 10:04 UTCEPSS rescore
  72. 2026-07-16 21:46 UTCGHSA enrichment
  73. 2026-07-16 17:03 UTCEPSS rescore
  74. 2026-07-15 16:57 UTCEPSS rescore
  75. 2026-07-15 16:57 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-54233?
CVE-2026-54233 is a medium vulnerability published on June 17, 2026. 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…
When was CVE-2026-54233 disclosed?
CVE-2026-54233 was first published on June 17, 2026, with the most recent update on June 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-54233 actively exploited?
CVE-2026-54233 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (34th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-54233?
CVE-2026-54233 has a CVSS base score of 6.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-54233?
A fix for CVE-2026-54233 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-54233 are linked in the Vendor Advisories panel on this page.

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