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CVE-2026-100647: vllm before 0.29.0 (exclusive), 0 to before 0.29.0
CVE-2026-100647. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.00309 (percentile 0.21543), scored 2026-10-05.
Affected technology
vllm · before 0.29.0 (exclusive)
vllm
vllm · 0 to before 0.29.0
vllm-project
Description’s affected range: versions before 0.29.0
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Unauthenticated attackers can send HTTP requests with multi-hundred-megabyte salt values that trigger expensive pickle serialization and SHA-256 hashing, stalling the scheduler thread and denying service to all concurrent requests. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality and integrity impact as none; availability impact as low.
- CWE
- CWE-20
- CCR priority
- 30.1 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.00309 · percentile 0.21543 · 2026-10-05
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-07 02:34:12.333111+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-100647.html