{"apiVersion":"1.0","identifier":"CVE-2026-73558","description":"vLLM is an inference and serving engine for large language models. Prior to 0.27.0, an integer overflow in blockIdx.x * 2 * d in activation_kernels.cu can cause act_and_mul_kernel to consume another batched user-s input, allowing a request processed in the same inference batch to receive a partial or complete copy of another user-s inference result. This issue is fixed in version 0.27.0.","publishedAt":"2026-08-13T15:20:18","lastModifiedAt":"2026-08-13T16:19:05","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73558","cvssScore":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","epssProbability":0.00261,"riskScore":0.54,"affectedProduct":"vLLM","affectedVersions":"<0.27.0","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-73558","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-73558","en":"https://www.redsauce.net/en/cves/CVE-2026-73558","fr":"https://www.redsauce.net/fr/cves/CVE-2026-73558","pt":"https://www.redsauce.net/pt/cves/CVE-2026-73558","de":"https://www.redsauce.net/de/cves/CVE-2026-73558","sk":"https://www.redsauce.net/sk/cves/CVE-2026-73558","el":"https://www.redsauce.net/el/cves/CVE-2026-73558"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-73558"}}