{"action":"Upgrade vllm to 0.26.0 or later.","affected":[{"fixed":"0.26.0","introduced":"0"}],"component":"vllm","cve_ids":["CVE-2026-73555"],"ecosystem":"PyPI","epss":0.00413,"exploited":false,"fixed_versions":["0.26.0"],"ghsa_id":"GHSA-hwrm-c4cx-rf4j","id":"tcs_01M5KH8Q0R7QN5MTRSSXHC12TT","modified_at":"2026-09-10T12:15:14.071548189Z","published_at":"2026-09-10T09:45:00.131177Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3937","https://github.com/vllm-project/vllm/security/advisories/GHSA-hwrm-c4cx-rf4j","https://nvd.nist.gov/vuln/detail/CVE-2026-73555","https://github.com/vllm-project/vllm/pull/46415","https://github.com/vllm-project/vllm/commit/e87521626febe2763f997691d1599de4175f4324","https://github.com/vllm-project/vllm","https://github.com/vllm-project/vllm/releases/tag/v0.26.0","https://pypi.org/project/vllm","https://github.com/advisories/GHSA-hwrm-c4cx-rf4j"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-3937","url":"https://osv.dev/vulnerability/PYSEC-2026-3937"}],"summary":"vLLM: Unauthenticated Internal Path and Username Disclosure via Validation Error Messages"}