Resource exhaustion in vLLM - CVE-2026-100648
Published: October 6, 2026
Vulnerability identifier: #VU153328
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-100648
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in MediaConnector.fetch_audio and AudioMediaIO.load_bytes when processing audio URLs in multimodal chat messages. A remote user can submit a chat request referencing an oversized audio file to cause a denial of service.
Affected software
vLLM
How to mitigate CVE-2026-100648
Install security update from vendor's website.
vLLM - update to 0.29.0