CVE-2026-90555: vLLM Audio Transcription Memory Exhaustion
vLLM
vLLM versions before 0.28.0 fail to validate audio sample rate headers in the transcription endpoint. Authenticated clients can submit forged headers to trigger excessive memory allocation and crash the server.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 7.1
- EPSS
- 0.01 · top 56% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 12 Sep 2026
- last update
- 12 Sep 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-09-12CVE-2026-90555: vLLM versions before 0.28.0 fail to validate audio sample rate headers in the transcription endpoint, allowing authenticated…NVD · nvd.nist.gov/vuln/detail/CVE-2026-90555
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 12 Sep 2026 · first reported 12 Sep 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
This record as a short Markdown brief, for a ticket, a chat or a coding agent.
the brief as text
# CVE-2026-90555: vLLM Audio Transcription Memory Exhaustion https://gcdradar.vercel.app/incidents/cve-2026-90555-vllm-audio-transcription-memory-exhaustion · AIR-2026-1376 · closed 2026-09-12 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-09-12 - AI role: Attack on AI - Products: vLLM - CVE ids: CVE-2026-90555 - CVSS: 7.1 ## Summary vLLM versions before 0.28.0 fail to validate audio sample rate headers in the transcription endpoint. Authenticated clients can submit forged headers to trigger excessive memory allocation and crash the server. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-09-12: CVE-2026-90555: vLLM versions before 0.28.0 fail to validate audio sample rate headers in the transcription endpoint, allowing authenticated… (https://nvd.nist.gov/vuln/detail/CVE-2026-90555) ## Sources - 2026-09-12 NVD: CVE-2026-90555: vLLM versions before 0.28.0 fail to validate audio sample rate headers in the transcription endpoint, allowing authenticated… https://nvd.nist.gov/vuln/detail/CVE-2026-90555 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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AI