| Component | vLLM |
| Severity | medium (CVSS 4.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| Published (NVD) | 2026-09-16 |
| Last modified | 2026-09-22 |
| Affected versions | <= 0.29.0 read from the advisory text: NVD has not published CPE data yet |
| Fixed in | see the vendor advisory |
| Weakness | CWE-404CWE-407 |
| CISA KEV | not listed |
NVD description
A vulnerability was found in vllm-project vllm up to 0.29.0. Affected by this issue is some unknown functionality of the file vllm/v1/sample/thinking_budget_state.py. The manipulation results in inefficient algorithmic complexity. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.
What to do
- NVD lists no fixed version yet: follow the vendor advisory below and keep vLLM off the public internet until a fix ships.
- Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-92365
- https://github.com/vllm-project/vllm/
- https://github.com/vllm-project/vllm/pull/51133
- https://vuldb.com/cve/CVE-2026-92365
- https://vuldb.com/submit/935016
- https://vuldb.com/vuln/405451
- https://vuldb.com/vuln/405451/cti
Read more
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